@misc{W2159525276,
  author = {R. J. Brachman and James G. Schmolze},
  title = {An overview of the KL-ONE Knowledge Representation System},
  year = {1985},
  howpublished = {Cognitive Science},
  doi = {https://doi.org/10.1016/s0364-0213(85)80014-8}
}