@inproceedings{ijcai1993p226,
  title     = {Making Cognitive Map of Outdoor Environment},
  author    = {Tsuji, Saburo and Li, Shigang},
  booktitle = {Proceedings of the Thirteenth International Joint Conference on
               Artificial Intelligence, {IJCAI-93}},
  publisher = {International Joint Conferences on Artificial Intelligence},
  editor    = {Ruzena Bajcsy},
  pages     = {1632--1637},
  year      = {1993},
  note      = {Robotics and Vision},
  url       = {https://ijcai.org/proceedings/1993/226},
}