@book{OPUS4-53577,
  title     = {Spatial information theory: foundations of geographic information science; International Conference, COSIT 2003, Kartause Ittingen, Switzerland, September 24-28, 2003; proceedings},
  editor    = {Walter Kuhn and Michael F. Worboys and Sabine Timpf},
  isbn      = {9783540201489},
  doi       = {10.1007/b13481},
  year      = {2003},
}