@inproceedings{ijcai1983p51,
  title     = {HPRL: A Language for Building Expert Systems},
  author    = {Rosenberg, Steven},
  booktitle = {Proceedings of the Eighth International Joint Conference on
               Artificial Intelligence, {IJCAI-83}},
  publisher = {International Joint Conferences on Artificial Intelligence},
  editor    = {Alan Bundy},
  pages     = {215--216},
  year      = {1983},
  note      = {Expert Systems},
  url       = {https://ijcai.org/proceedings/1983/51},
}