@inproceedings{LICS-1987-Shoham,
	author        = "Yoav Shoham",
	booktitle     = "{Proceedings of the Second Symposium on Logic in Computer Science}",
	pages         = "275--279",
	publisher     = "{IEEE Computer Society}",
	title         = "{A Semantical Approach to Nonmonotic Logics}",
	year          = 1987,
}