@inproceedings{ijcai1999p160,
  title     = {Physical Constraints on Human Robot Interaction},
  author    = {Imai, Michita and Hiraki, Kazuo and Miyasato, Tsutomu},
  booktitle = {Proceedings of the Sixteenth International Joint Conference on
               Artificial Intelligence, {IJCAI-99}},
  publisher = {International Joint Conferences on Artificial Intelligence},
  editor    = {Thomas Dean},
  pages     = {1124--1129},
  year      = {1999},
  note      = {Robotics and Perception},
  url       = {https://ijcai.org/proceedings/1999/160},
}