@inproceedings{CADE-1988-BrownPP,
	author        = "Frank M. Brown and Seung S. Park and Jim Phelps",
	booktitle     = "{Proceedings of the Ninth International Conference on Automated Deduction}",
	doi           = "10.1007/BFb0012884",
	isbn          = "3-540-19343-X",
	pages         = "758--759",
	publisher     = "{Springer-Verlag}",
	series        = "{Lecture Notes in Computer Science}",
	title         = "{ZPLAN: An Automatic Reasoning System for Situations}",
	volume        = 310,
	year          = 1988,
}