@inproceedings{JICSCP-1988-BonnierM88,
	author        = "Staffan Bonnier and Jan Maluszynski",
	booktitle     = "{Proceedings of the Joint International Fifth Conference and Symposium on Logic Programming, 2 Volumes}",
	isbn          = "0-262-61056-6",
	pages         = "311--326",
	publisher     = "{MIT Press}",
	title         = "{Towards a Clean Amalgamation of Logic Programs with External Procedures}",
	year          = 1988,
}