@inproceedings{NACLP-1989-Bezem,
	author        = "Marc Bezem",
	booktitle     = "{Proceedings of the North American Conference on Logic Programming, 2 Volumes}",
	isbn          = "0-262-62064-2",
	note          = "long version: JLP 15(1&2): 79-97",
	pages         = "69--80",
	publisher     = "{MIT Press}",
	title         = "{Characterizing Termination of Logic Programs with Level Mappings}",
	year          = 1989,
}