@inproceedings{SEKE-1994-KrogstieS,
	author        = "John Krogstie and Guttorm Sindre",
	booktitle     = "{Proceedings of the Sixth International Conference on Software Engineering and Knowledge Engineering}",
	pages         = "314--321",
	publisher     = "{Knowledge Systems Institute}",
	title         = "{Extending a temporal rule language with deontic operators}",
	year          = 1994,
}