Zimmermann93'

BibTeX

@inproceedings{DBLP:conf/cosit/Zimmermann93,
  author    = {Kai Zimmermann},
  title     = {Enhancing Qualitative Spatial Reasoning - Combining Orientation
               and Distance},
  booktitle = {COSIT},
  year      = {1993},
  pages     = {69-76},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}