@inproceedings{ICLP-1997-ZukowskiF,
	author        = "Ulrich Zukowski and Burkhard Freitag and Stefan Brass",
	booktitle     = "{Proceedings of the 14th International Conference on Logic Programming}",
	isbn          = "0-262-64035-X",
	pages         = "421",
	publisher     = "{MIT Press}",
	title         = "{Differential Bottom-Up Computation of the Well-Founded Semantics}",
	year          = 1997,
}