@inproceedings{ICLP-1997-Schachte,
	author        = "Peter Schachte",
	booktitle     = "{Proceedings of the 14th International Conference on Logic Programming}",
	isbn          = "0-262-64035-X",
	pages         = "3--17",
	publisher     = "{MIT Press}",
	title         = "{Global Variables in Logic Programming}",
	year          = 1997,
}