Media type: E-Article Title: Spatial Information Theory. Cognitive and Computational Foundations of Geographic Information Science: Route Navigation Using Motion Analysis Contributor: Röfer, Thomas Published: Springer Berlin Heidelberg, 1999 Published in: Spatial Information Theory. Cognitive and Computational Foundations of Geographic Information Science (1999), Seite 21-36 Language: Not determined DOI: 10.1007/3-540-48384-5_2 ISSN: 0302-9743 Origination: Footnote: