Nyerges, T. L., Mark, D. M., Laurini, R., and Egenhofer, M., editors, 1995. Cognitive Aspects of Human-Computer Interaction for Geographic Information Systems. Dordrecht: Kluwer Academic Publishers.
Freksa, C., and Mark, D. M., editors, 1999.
Spatial Information Theory: Cognitive and Computational Foundations of
Geographic Information Science. ,
Berlin: Springer-Verlag, Lecture Notes in Computer Sciences No. 1661, 477 pp.
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