@inproceedings{ISLP-1991-Meyden,
	author        = "Ron van der Meyden",
	booktitle     = "{Proceedings of the Eighth International Symposium on Logic Programming}",
	isbn          = "0-262-69147-7",
	pages         = "221--238",
	publisher     = "{MIT Press}",
	title         = "{A Clausal Logic for Deontic Action Specification}",
	year          = 1991,
}