@inproceedings{ijcai1993p217,
  title     = {Solving Geometric Constraint Satisfaction Problems for Spatial Planning},
  author    = {du Verdier, Franck},
  booktitle = {Proceedings of the Thirteenth International Joint Conference on
               Artificial Intelligence, {IJCAI-93}},
  publisher = {International Joint Conferences on Artificial Intelligence},
  editor    = {Ruzena Bajcsy},
  pages     = {1564--1571},
  year      = {1993},
  note      = {Qualitative Reasoning and Naive Physics},
  url       = {https://ijcai.org/proceedings/1993/217},
}