Thomas Bittner. A Qualitative Coordinate Language of Location of Figures within the Ground. In Stephen C. Hirtle, Andrew U. Frank, editors, Spatial Information Theory: A Theoretical Basis for GIS, International Conference COSIT 97, Laurel Highlands, Pennsylvania, USA, October 15-18, 1997, Proceedings. Volume 1329 of Lecture Notes in Computer Science, pages 223-240, Springer, 1997.
Abstract is missing.