@inproceedings{ICALP-1976-Bakker,
	author        = "J. W. de Bakker",
	booktitle     = "{Proceedings of the Third International Colloquium on Automata, Languages and Programming}",
	isbn          = "0-85224-308-1",
	pages         = "435--477",
	title         = "{Semantics and Termination of Nondeterministic Recursive Programs}",
	year          = 1976,
}