@inproceedings{ICLP-2002-Schimpf,
	author        = "Joachim Schimpf",
	booktitle     = "{Proceedings of the 18th International Conference on Logic Programming}",
	doi           = "10.1007/3-540-45619-8_16",
	isbn          = "3-540-43930-7",
	pages         = "224--238",
	publisher     = "{Springer International Publishing}",
	series        = "{Lecture Notes in Computer Science}",
	title         = "{Logical Loops}",
	volume        = 2401,
	year          = 2002,
}