@inproceedings{JICSLP-1996-EtalleT,
	author        = "Sandro Etalle and Frank Teusink",
	booktitle     = "{Proceedings of the Joint International 13th Conference and Symposium on Logic Programming}",
	isbn          = "0-262-63173-3",
	pages         = "468--482",
	publisher     = "{MIT Press}",
	title         = "{A Compositional Semantics for Normal Open Programs}",
	year          = 1996,
}