Spatial Information Theory: A Theoretical Basis for GIS A Thoretical Basis for GIS. International Conference, COSIT '95, Semmering, Austria, September 21-23, 1995, Proceedings Frank Andrew U. Heftet / 1995 / Engelsk
Spatial Information Theory: A Theoretical Basis for GIS A Theoretical Basis for GIS. European Conference, COSIT'93, Marciana Marina, Elba Island, Italy, September 19-22, 1993. Proceedings Frank Andrew U. Heftet / 1993 / Engelsk
Spatial Information Theory A Theoretical Basis for GIS International Conference COSIT '97, Laurel Highlands, Pennsylvania, USA, October 15-18, 1997. Proceedings Hirtle Stephen C. Heftet / 1997 / Engelsk
Geographic Information Science 4th International Conference, GIScience 2006, Münster, Germany, September 20-23, 2006, Proceedings Raubal Martin Heftet / 2006 / Engelsk
