@inproceedings{KR-1989-Koomen,
	author        = "Johannes A. G. M. Koomen",
	booktitle     = "{Proceedings of the First International Conference on Principles of Knowledge Representation and Reasoning}",
	isbn          = "1-55860-032-9",
	pages         = "198--202",
	publisher     = "{Morgan Kaufmann}",
	title         = "{Localizing Temporal Constraint Propagation}",
	year          = 1989,
}