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Waldo Tobler bibliography

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Waldo Rudolph Tobler
bibliography
Waldo Tobler in front of the Newberry Library. Chicago, November 2007
References and footnotes

Waldo Tobler's (November 16, 1930 – February 20, 2018) publications span between 1957 and 2017, with his most productive year being 1973.[1] Despite retirement in 1994, he continued to be involved with research for the remainder of his life.[2][3] Most of his publications consist of peer-reviewed journals, without single-issue textbooks or monographs, and the quantity of publications is noted as being unremarkable compared to modern geographers.[4] Many of his works are foundational to modern geography and cartography, and still frequently cited in modern publications, including the first paper on using computers in cartography, the establishment of analytical cartography, and coining Tobler's first and second laws of geography.[3][5][6][7] His work covered a wide range of topics, with many of his papers considered to be "cartographic classics", that serve as required reading for both graduate and undergraduate students.[4][3]

The Library of Congress maintains some of Tobler's early work in "The Waldo Tobler Collection," and the UC Santa Barbra Library maintains a collection of his material donated by his widow in "The Waldo Tobler Academic Archives."[8][9] During his life, there were several book chapters dedicated to discussing him, and an entry in the twentieth-century volume of the History of Cartography.[6][2][10] Many of his publications were included in "select publications"[6] or "key readings"[2] section in these chapters. After his death, several articles in his honor discussed his publications, including a review of all his publications in the journal "Geographic Analysis".[3][4][1][11]

Peer reviewed Articles

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Single author

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Title Date Journal/Publication Identifier Citation(s) Notes
The Multiple Use Concept in Cartography 1957 The Professional Geographer doi:10.1111/j.0033-0124.1957.095_5.x
Automation and Cartography 1959 The Geographical Review doi:10.2307/212211 [7][2][1] [Note 1]
World Map on a Moebius Strip 1961 Surveying and Mapping [12]
Tissot's Indicatrix and Photogrammetry 1962 Photogrammetric Engineering Link [12]
A Classification of Map Projections 1962 Annals of the Association of American Geographers doi:10.1111/j.1467-8306.1962.tb00403.x [6]
The Polar Case of Hammer's Projection 1962 The Professional Geographer doi:10.1111/j.0033-0124.1962.142_20.x
Geographic Area and Map Projections 1963 The Geographical Review doi:10.2307/212809 [2][6] [Note 2]
Geographic Ordering of Information 1963 The Canadian Geographer doi:10.1111/j.1541-0064.1963.tb00806.x
A Comparison of Spherical and Ellipsoidal Values 1964 The Professional Geographer doi:10.1111/j.0033-0124.1964.009_q.x
Automation in the preparation of thematic maps 1965 The Cartographic Journal doi:10.1179/caj.1965.2.1.32 [9][5] [Note 3]
Medieval Distortions: The Projections of Ancient Maps 1965 Annals of the Association of American Geographers doi:10.1111/j.1467-8306.1966.tb00562.x [2][9][6]
Computation of the correspondence of geographical patterns 1965 Papers in Regional Science doi:10.1007/BF01947869
Notes on Two Projections 1966 The Cartographic Journal doi:10.1179/caj.1966.3.2.87 [Note 4]
Of Maps and Matrices 1967 Journal of Regional Science [9][2]
Computer Use in Geography 1967 Behavioral Science doi:10.1002/bs.3830120108
Satellite Confirmation of Settlement Size Coefficients 1969 Area doi:10.3133/ofr69285
Geographical Filters and their Inverse 1969 Geographical analysis doi:10.1111/j.1538-4632.1969.tb00621.x [11][9][2]
A Computer Movie Simulating Urban Growth in the Detroit Region 1970 Economic Geography doi:10.2307/143141 [6][11][2][13][14][15][16][17][18][19] [Note 5]
Regional Analysis: Time Series Extended to Two Dimensions 1973 Geographia Polonica [12]
The hyperelliptical and other new pseudocylindrical equal area map projections 1973 Journal of Geophysical Research doi:10.1029/JB078i011p01753 [Note 6]
A Continuous Transformation Useful for Districting 1973 Annals of the New York Academy of Sciences doi:10.1111/j.1749-6632.1973.tb41401.x [1]
Choropleth Maps Without Class Intervals? 1973 Geographical analysis doi:10.1111/j.1538-4632.1973.tb01012.x [11][9][1][20] [Note 7]
Local Map Projections 1974 The American Cartographer doi:10.1559/152304074784107827
A Computer Program to Draw Perspective Views of Geographical Data 1974 The American Cartographer [12]
A Preliminary Analysis of the Spread of the Depression 1975 Geographical analysis doi:10.1111/j.1538-4632.1975.tb01055.x [11]
Analytical Cartography 1976 The American Cartographer doi:10.1559/152304076784080230 [21][22][10][14]
The Comparison of Plane Forms 1978 Geographical analysis doi:10.1111/j.1538-4632.1978.tb00004.x [11]
Comparing Figures by Regression 1978 Computer Graphics doi:10.1145/965139.807389
A Proposal for an Equal Area Map of the Entire World on Mercator's Projection 1978 The American Cartographer doi:10.1559/152304078784022827
A Transformational View of Cartography 1978 The American Cartographer doi:10.1559/152304079784023104
Lattice Tuning 1979 Geographical analysis doi:10.1111/j.1538-4632.1979.tb00671.x [6][11]
A Geographical Migration Probability Density Function 1979 Ontario Geography [12]
Smooth Pycnophylactic Interpolation for Geographical Regions 1979 Journal of the American Statistical Association doi:10.1080/01621459.1979.10481647 [11][2][23][24] [Note 8]
Estimation of Attractivities from Interactions 1979 Environment and Planning A doi:10.1068/a110121
Depicting Federal Fiscal Transfers 1981 The Professional Geographer doi:10.1111/j.0033-0124.1981.00419.x
A Model of Geographic Movement 1981 Geographical analysis doi:10.1111/j.1538-4632.1981.tb00711.x [11]
An Alternate Formulation for Spatial Interaction Modeling 1983 Environment and Planning A doi:10.1068/a150693
The Morphology of Geographical Change 1985 Ontario Geography [12]
Derivation of a Spatially Continuous Transportation Model 1985 Transportation Research doi:10.1016/0191-2607(85)90024-X
Polycylindric Map Projections 1986 The American Cartographer doi:10.1559/152304086783900040
Pseudo–Cartograms 1986 The American Cartographer doi:10.1559/152304086783900194
Measuring the Similarity of Map Projections" 1986 The American Cartographer doi:10.1559/152304086783900103
The geographic movement of wealth in the United States 1986 MappeMonde doi:10.3406/mappe.1986.2329
Experiments in Migration Mapping by Computer 1987 The American Cartographer doi:10.1559/152304087783875273 [6]
Spherical Quadrilateral to Map Scale Conversion 1989 The American Cartographer doi:10.1559/152304089783875640
An Update to 'Numerical Map Generalization 1989 Cartographica doi:10.3138/U2U2-K560-4L26-2663
Visual Evidence for Urban Potential Fields 1991 MappeMonde doi:10.3406/mappe.1991.1908
Bidimensional Regression 1994 Geographical analysis doi:10.1111/j.1538-4632.1994.tb00320.x [11]
The Resel Based GIS" 1995 International Journal of Geographical Information Science doi:10.1080/02693799508902027
Migration: Ravenstein, Thornthwaite, and Beyond 1995 Urban Geography doi:10.2747/0272-3638.16.4.327
A Graphical Introduction to Survey Adjustment 1996 Cartographica doi:10.3138/E157-8650-4G3V-MH80
The Equidominance Line: A New Geopolitical Concept 1997 Applied Geographical Studies doi:10.1002/(SICI)1520-6319(199721)1:1<7::AID-AGS2>3.0.CO;2-5
Movement Modeling on the Sphere 1997 Geographical & Environmental Modeling [12]
Introductory Comments on Information Theory & Cartography 1997 Cartographic Perspectives doi:10.14714/CP27.698
Alternatives to Miller's Projection 1997 Cartography and Geographic Information Science doi:10.1559/152304097782439358
World Population in a grid of Spherical Quadrangles 1997 Int. J. Population Geography doi:10.1002/(SICI)1099-1220(199709)3:3<203::AID-IJPG68>3.0.CO;2-C
Linear pycnophylactic reallocation comment on a paper by D. Martin 1999 International Journal of Geographical Information Science doi:10.1080/136588199241472 [Note 9]
The Development of Analytical Cartography: a personal note 2000 Cartography and Geographic Information Science doi:10.1559/152304000783547867 [11][10]
Spherical Measures without Spherical Trigonometry 2001 Solstice: An Electronic Journal of Geography and Mathematics, [12]
Qibla, and Related, Map Projections 2002 Cartography and Geographic Information Science doi:10.1559/152304002782064574
Global Spatial Analysis 2002 Computers, Environment, and Urban Systems doi:10.1016/S0198-9715(02)00017-0 [Note 10]
Thirty-Five Years of Computer Cartogram 2004 Annals of the Association of American Geographers doi:10.1111/j.1467-8306.2004.09401004.x [2]
On the First Law of Geography: A Reply 2004 Annals of the Association of American Geographers doi:10.1111/j.1467-8306.2004.09402009.x [Note 11]
Estimating Potentials from Asymmetry 2005 Solstice A refereed Electronic Journal of Geography and Mathematics [12]
Unusual Map Projections 2008 Cartographic Perspectives doi:10.14714/CP59.246
The Curious Case Of 2½ D 2015 Quaestiones Geographicae doi:10.1515/quageo-2015-0040
A new companion for Mercator 2017 Cartography and Geographic Information Science doi:10.1080/15230406.2017.1308837 [25]

Book Reviews

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Title Date Journal/Publication Identifier Citation(s) Notes
Review of J. Bertin, “Semiologie Graphique” 1969 Journal of the American Statistical Association doi:10.1080/01621459.1969.10500984 [12]
Review of J. Forrester, "Urban Dynamics" 1970 Geographical analysis doi:10.1111/j.1538-4632.1970.tb00157.x
Review of J. Rayner, "An Introduction to Spectral Analysis" 1972 Geographical analysis doi:10.1111/j.1538-4632.1973.tb01007.x
Review of D. Maling, "Coordinate Systems and Map Projections" 1974 Surveying and Mapping [12]
Review of C. Brandenberger, "Koordinatentransformationen fuer Digitale Kartographische Daten mit Lagrange– und Spline–Interpolation." 1986 Surveying and Mapping [12]

Collaborations

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Title Co-Authors(s) Date Journal/Publication Identifier Citation(s) Notes
The Multiple Use Concept in Cartography J. Sherman 1957 The Professional Geographer doi:10.1111/j.0033-0124.1957.095_5.x
Geographical Ordering of Information: New Opportunities Brian Berry and Richard Morrill 1964 The Professional Geographer doi:10.1111/j.0033-0124.1964.039_q.x
Geobotanical Distance Between New Zealand and Neighboring Islands H. W. Mielke, T. R. Detwyler 1970 BioScience doi:10.2307/1295012
Uniform Distribution of Objects in a Homogeneous Field: Cities on a Plain Leon Glass 1971 Nature doi:10.1038/233067a0
A Cappadocian Speculation Sam Wineburg 1971 Nature doi:10.1038/231039a0 [1]
Spectral Analysis of Innovation Diffusion B. Barton 1971 Geographical analysis doi:10.1111/J.1538-4632.1971.TB00361.X [11]
Geographical Variances H. Moellering 1972 Geographical analysis doi:10.1111/j.1538-4632.1972.tb00455.x [11][2]
Isopleth Mapping using Histosplines J. Lau 1978 Geographical analysis doi:10.1111/j.1538-4632.1978.tb00656.x [11]
Interpolation of images via Histosplines J. Lau 1979 Computer Graphics and Image Processing doi:10.1016/0146-664X(79)90084-4
Push–Pull Migration Laws Guido Dorigo 1983 Annals of the Association of American Geographers doi:10.1111/j.1467-8306.1983.tb01392.x [2] [Note 12]
Geographical Interpolation Susan Kennedy 1983 Geographical analysis doi:10.1111/j.1538-4632.1983.tb00776.x [11]
The Globular Projection Generalized M. Petrich 1984 The American Cartographer doi:10.1559/152304084783914803
Smooth Multidimensional Interpolation Susan Kennedy 1985 Geographical analysis doi:10.1111/j.1538-4632.1985.tb00846.x [11]
Computerized Quantitative Analysis of Kinetic Visual Fields R. Weleber 1996 American Journal of Ophthalmology doi:10.1016/0002-9394(86)90648-3
A Quadtree for Global Information Storage Zi-tan Chen 1986 Geographical analysis doi:10.1111/j.1538-4632.1986.tb00108.x [11]
Exploring the Anchor Point Hypothesis of Spatial Cognition H. Couclelis, R. Golledge, N. Gale, 1987 Journal of Environmental Psychology doi:10.1016/S0272-4944(87)80020-8
Three World Maps on a Moebius Strip Mark P. Kumler 1991 Cartography and Geographic Information Science doi:10.1559/152304091783786781

Books and translations

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Title Co-Authors(s) Date Journal/Publication Identifier Citation(s) Notes
Notes and comments on the Composition of Terrestrial and Celestial Maps Johann Heinrich Lambert 1972 Michigan Geographical Publication ISBN 978-1589482814 [3] [Note 13]
Map Projection Transformation: Principles and Applications Qihe Yang; John P. Snyder 2000 Taylor & Francis ISBN 0-748-40667-0
Are There Fundamental Principles in Geographic Information Science? Nicholas R. Chrisman; Andrew Frank; Dan Sui; Michael Frank Goodchild 2012 ISBN 9781478213628 [Note 14]

Book chapters, conference proceedings, and technical reports

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Title Editor(s) Date Publication Identifier Citation(s) Notes
Electronic Mapping 1962 Conference Proceedings, Am Institute of Planners [12]
Spectral Analysis of Spatial Series 1966 Proceedings, Fourth Annual Conference on Urban Planning Information Systems [12]
Geometric Projections in System Studies William Garrison; Duane Marble 1967 Quantitative Geography, II [12]
Transformations J. Nystuen 1968 Michigan Inter-University Community of Mathematical Geographers Discussion Paper # 12 [12]
Problems and Prospects in Geographical Photointerpretation Cheng; Ledley; Pollock; Rosenfeld 1968 Proceedings, Symposium on Automatic Photointerpretation [12]
Data Display and Presentation Roger Tomlinson 1972 Environment Information Systems [12]
Spatial Diffusion from a Geographer's Point of View W. Benninghoff; R. Edwards 1972 U.S. International Biological Program Aerobiology Handbook No. 2 [12]
Two Computer Districting Experiments S. Pollock 1972 Algorithmic Approaches to Political Districting: Report of the Activities of a Seminar [12]
Cartograms and Cartosplines 1976 Proceedings: Workshop on Automated Cartography and Epidemiology, Washington, D.C., Department of Health, Education and Welfare [12]
Spatial Interaction: Extracting Meaning from Masses of Data E. Swain 1976 The IIASA Project on Urban and Regional Systems [12]
The Geometry of Mental Maps R. Golledge; G. Rushton 1977 Essays on the Multidimensional Analysis of Perceptions and Preferences [12]
Numerical Approaches to Map Projections I. Kretschmer 1977 Studies in Theoretical Cartography ISBN 3700544278
Forecasting Geographical Migration 1977 Report of the Conference on Economic and Demographic Methods for Projecting Population [12]
Cellular Geography S. Gale; G. Olsson 1979 Philosophy in Geography ISBN 978-94-009-9394-5; doi:10.1007/978-94-009-9394-5_18
Migration Fields W. Clark; E. Moore 1978 Population Mobility and Residential Change ISBN 9780810105232
Statistical Cartography: What is it? 1980 Auto–Carto IV link [12]
Surveying Multidimensional Measurement R.G. Golledge; J.N.Rayner 1982 Proximity and Preference: Problems in the Multidimensional Analysis of Large Data Sets ISBN 0816668655
Cartographic Study of Movement Tables 1982 Proceedings, National Computer Graphics Association [12]
Measuring Spatial Resolution 1987 Proceedings, Land Resources Information Systems Conference [12]
Alternatives in Movement Mapping 1987 Proceedings, 13th International Cartographic Conference [12]
Resolution, Resampling, and All That Helen Mounsey; Roger Tomlinson 1987 Building Data Bases for Global Science ISBN 9780850664850
The Quadratic Transportation Problem as a Model of Spatial Interaction Patterns W. Foffey 1988 Essays in honor of William Warntz ISBN 0771409737
Prediction of Geographic Base File Size from Urban Area or Population H. Veregin 1989 ICA Conference, Budapest [12]
Frame Independent Spatial Analysis Michael Goodchild 1990 Accuracy of Spatial Data Bases ISBN 9780429208317
GIS Transformations 1990 Proceedings, National Computer Graphics Association Conference, Anaheim [12]
Preliminary Representation of World Population by Spherical Harmonics 1992 Proceedings, National Academy of Sciences doi:10.1073/pnas.89.14.6262 [6]
Three presentations on geographical analysis and modeling: Non-isotropic geographic modeling speculations on the geometry of geography global spatial analysis 1993 National center for geographic information and analysis TECHNICAL REPORT 93-1 [26][27]
Oblique Map Projections using Rotation Matrices H. Ernste 1994 Pathways to Human Ecology ISBN 978-3-906753-17-1
The Global Demography Project Uwe Deichmann, Jon Gottsegen, and Kelly Maloy 1995 National center for geographic information and analysis Technical Report TR-95-6 [10][28]
History of Cartography as taught at UCSB F. Ormeling; Y. Bouma 1996 Seminar on Teaching of the History of Cartography [12]
Converting Administrative Data on a Sphere to a Continuous Surface 1996 Proceedings, 3rd International Conference on Integrating Geographic Information Systems and Environmental Modeling [12]
Demography in Global Change Studies 1997 Proceedings, AutoCarto 13 link
Ma Vie W. Pitts and P. Gould 2002 Geographical Voices ISBN 9780815629405 [Note 15]

Intervew

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Tobler was one of many geographers interviewed in the American Association of Geographers Geographers on Film series.

See also

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Notes

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  1. ^ This publication is noted as one of the first discussions of using computers to aid in cartography.
  2. ^ Later reprinted in "Spatial Analysis" LCCN 6801085 6-801085. Several translations.
  3. ^ Also published as "L'Automation dans la preparation des cartes thematiques" in the International Yearbook of Cartography, 6
  4. ^ On Loximuthal projection and Two-point equidistant projection
  5. ^ First use of Tobler's first law of geography.
  6. ^ Introduced the family of Tobler hyperelliptical projections.
  7. ^ formally introducing the unclassed scheme to Choropleth maps .
  8. ^ This paper coined the word Pycnophylactic .
  9. ^ First use of Tobler's second law of geography.
  10. ^ Editorial
  11. ^ Second appearance of Tobler's second law of geography. Tobler also mentions Arbia's law of geography.
  12. ^ Push and pull factors in migration
  13. ^ Tobler's translated the work of Lambert into English and wrote the preference.
  14. ^ Tobler's contribution is the preference to the book.
  15. ^ Tobler's autobiography

References

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  1. ^ a b c d e f Dorling, Danny; Hennig, Benjamin (2018). "Waldo Tobler: Remembering a genius". The Cartographic Journal. 55 (3): 303–304. Bibcode:2018CartJ..55..303D. doi:10.1080/00087041.2018.1507181. Retrieved 13 January 2024.
  2. ^ a b c d e f g h i j k l m Flowerdew, Robin (2011). "Waldo Tobler". In Hubbard, Phil; Kitchin, Rob (eds.). Key Thinkers on Space and Place (2 ed.). SAGE Publications Ltd. pp. 421–425. ISBN 978-1-84920-101-8. Retrieved 7 February 2024.
  3. ^ a b c d e Clarke, Keith C. (2018-07-04). "Waldo R. Tobler (1930–2018)". Cartography and Geographic Information Science. 45 (4): 287–288. Bibcode:2018CGISc..45..287C. doi:10.1080/15230406.2018.1447399. ISSN 1523-0406. S2CID 133763290.
  4. ^ a b c Unwin, David (26 March 2019). "Waldo Tobler: An appreciation of the contributions made to geographic information science". Transactions in GIS. 23 (2): 387–393. Bibcode:2019TrGIS..23..387U. doi:10.1111/tgis.12529. S2CID 108347627.
  5. ^ a b Tobler, Waldo (2014). "Automation in the Preparation of Thematic Maps*". In Kent, Alexander (ed.). Landmarks in Mapping. Taylor & Francis. p. 13. doi:10.4324/9781351191234-2. ISBN 9781351191234. Retrieved 13 February 2024.
  6. ^ a b c d e f g h i j Karan, P.P.; Mather, Cotton (2000). Leaders in American Geography Volume II: Research. New Mexico Geographical Society. pp. 234–239. ISBN 0-9643841-1-6. Retrieved 24 January 2024.
  7. ^ a b DeMers, Michael N. "GIS". Geography & Travel. Britannica. Retrieved 13 January 2024.
  8. ^ "Preserving Groundbreaking Research in Geography, Geoinformatics and Geographic Information Science". The Waldo Tobler Academic Archives. UC Santa Barbra Library. 18 October 2023. Retrieved 12 January 2024.
  9. ^ a b c d e f "Waldo R. Tobler collection". The Library of Congress. Retrieved 13 February 2024.
  10. ^ a b c d Clarke, Keith C. (2015). "Tobler, Waldo R(udolph).". In Monmonier, Mark (ed.). The History of Cartography, Volume 6: Cartography in the Twentieth Century. University of Chicago Press. ISBN 978-0226152127. Retrieved 5 February 2024.
  11. ^ a b c d e f g h i j k l m n o p q Murray, Alan T.; Xu, Jing; Baik, Jiwon; Burtner, Susan; Cho, Seonga; Noi, Evgeny; Pludow, B. Amelia; Zhou, Enbo (2020). "Overview of Contributions in Geographical Analysis: Waldo Tobler". Geographical Analysis. 52 (4): 480–493. Bibcode:2020GeoAn..52..480M. doi:10.1111/gean.12257. S2CID 224848171. Retrieved 26 January 2024.
  12. ^ a b c d e f g h i j k l m n o p q r s t u v w x y z aa ab ac ad ae af "Publications". Waldo Tobler. Geography Department University of California, Santa Barbara. Retrieved 13 February 2024.
  13. ^ Tobler, Waldo (2004). "On the First Law of Geography: A Reply". Annals of the Association of American Geographers. 94 (2): 304–310. doi:10.1111/j.1467-8306.2004.09402009.x. S2CID 33201684. Retrieved 10 March 2022.
  14. ^ a b Getis, Arthur (2020). "Waldo Tobler (1931–2018): Analytical Cartographer and Regional Scientist". In Batey, Peter; Plane, David (eds.). Great Minds in Regional Science. Footprints of Regional Science. Switzerland: Springer Nature. pp. 185–198. doi:10.1007/978-3-030-46157-7_12. ISBN 978-3-030-46157-7. S2CID 226747451. Retrieved 13 January 2024.
  15. ^ Westlund, Hans (18 August 2013). "A brief history of time, space, and growth: Waldo Tobler's first law of geography revisited". The Annals of Regional Science. 51 (3): 917–924. doi:10.1007/s00168-013-0571-3. Retrieved 13 January 2024.
  16. ^ Hecht, Brent; Moxley, Emily (2009). "Terabytes of Tobler: Evaluating the First Law in a Massive, Domain-Neutral Representation of World Knowledge". Spatial Information Theory 9th International Conference, COSIT 2009, Aber Wrac'h, France, September 21–25, 2009, Proceedings. Lecture Notes in Computer Science. Vol. 5756. Springer. p. 88. Bibcode:2009LNCS.5756...88H. doi:10.1007/978-3-642-03832-7_6. ISBN 978-3-642-03831-0.
  17. ^ Sui, Daniel Z. (2004). "Tobler's First Law of Geography: A Big Idea for a Small World?". Annals of the Association of American Geographers. 94 (2): 269–277. doi:10.1111/j.1467-8306.2004.09402003.x. JSTOR 3693983. Retrieved 16 January 2024.
  18. ^ Phillips, Jonathan D. (2004). "Doing Justice to the Law". Annals of the Association of American Geographers. 94 (2): 290–293. doi:10.1111/j.1467-8306.2004.09402006.x. JSTOR 3693986. Retrieved 24 January 2024.
  19. ^ Barnes, Trevor J. (2004). "A Paper Related to Everything but More Related to Local Things". Annals of the Association of American Geographers. 94 (2): 278–283. doi:10.1111/j.1467-8306.2004.09402004.x. JSTOR 3693984. Retrieved 24 January 2024.
  20. ^ Dobson, Michael W. (October 1973). "Choropleth Maps Without Class Intervals?: A Comment". Geographical Analysis. 5 (4): 358–360. Bibcode:1973GeoAn...5..358D. doi:10.1111/j.1538-4632.1973.tb00498.x. Retrieved 16 January 2024.
  21. ^ Tobler, Waldo (2000). "The Development of Analytical Cartography: A Personal Note". Cartography and Geographic Information Science. 27 (3): 189–194. Bibcode:2000CGISc..27..189T. doi:10.1559/152304000783547867. Retrieved 14 February 2024.
  22. ^ Mcmaster, Robert; Mcmaster, Susanna (2002). "A history of twentieth-century American academic cartography". Cartography and Geographic Information Science. 29 (3): 305–321. Bibcode:2002CGISc..29..305M. doi:10.1559/152304002782008486. Retrieved 13 February 2024.
  23. ^ Dyn, Nira; Wahba, Grace; Wong, Wing-Hung (1979). "Smooth Pycnophylactic Interpolation for Geographical Regions: Comment". Journal of the American Statistical Association. 74 (367): 530–535. doi:10.2307/2286969. JSTOR 2286969. Retrieved 16 January 2024.
  24. ^ Kim, Hwahwan; Yao, Xiaobai (2010). "Pycnophylactic interpolation revisited: integration with the dasymetric-mapping method". International Journal of Remote Sensing. 31 (21): Hwahwan. Bibcode:2010IJRS...31.5657K. doi:10.1080/01431161.2010.496805. Retrieved 16 January 2024.
  25. ^ Monmonier, Mark (2019). "Waldo R. Tobler (1930–2018)". Imago Mundi: The International Journal for the History of Cartography. 71 (1): 87–88. doi:10.1080/03085694.2019.1529916. JSTOR 48547969. S2CID 134145871. Retrieved 25 January 2024.
  26. ^ Goodchild, Michael F. (2020). "Beyond Tobler's Hiking Function". Geographical Analysis. 52 (4): 558–569. Bibcode:2020GeoAn..52..558G. doi:10.1111/gean.12253. S2CID 225510431. Retrieved 26 January 2024.
  27. ^ Higgins, Christopher D (2021). "Hiking with Tobler: Tracking Movement and Calibrating a Cost Function for Personalized 3D Accessibility". Transport Findings. doi:10.32866/001c.28107. Retrieved 26 January 2024.
  28. ^ Dobson, Jerome E.; Brlght, Edward A.; Coleman, Phllllp R.; Durfee, Rlchard C.; Worley, Brian A. (2000). "LandScan: A Global Population Database for Estimating Populations at Risk" (PDF). Photogrammetric Engineering & Remote Sensing. 66 (7): 849–857. Retrieved 6 February 2024.
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