1. Anderson, J.R., Hardy, E.E., Roach, J.T., Witmer, R.E.: Land Use and Land Cover Classification System for Use with Remote Sensor Data. Geological Survey Professional Paper No. 964. US Government Printing Office, Washington, D.C. (1976)
2. Clay, G.: Close-Up: How to Read the American City. University of Chicago Press, Chicago (1973)
3. Crampton, J.W.: Mapping: a Critical Introduction to Cartography and GIS. Wiley-Blackwell, Oxford (2010)
4. Crampton, J.W., Krygier, J.: An introduction to critical cartography. ACME Int. E J. Crit. Geogr. 4, 11–33 (2006)
5. Daston, L., Gallison, P.: Objectivity. Zone Books, Brooklyn (2007)