@inproceedings{ijcai1997p171,
  title     = {Modeling Command Entities},
  author    = {Howard, Michael D.},
  booktitle = {Proceedings of the Fifteenth International Joint Conference on
               Artificial Intelligence, {IJCAI-97}},
  publisher = {International Joint Conferences on Artificial Intelligence},
  editor    = {Martha E. Pollack},
  pages     = {1186--1192},
  year      = {1997},
  note      = {Planning and Scheduling},
  url       = {https://ijcai.org/proceedings/1997/171},
}