@inproceedings{ILPC-1982-FarkasSS82,
	author        = "Zsuzsa Farkas and Péter Szeredi and Edit Sántáné-Tóth",
	booktitle     = "{Proceedings of the First International Logic Programming Conference}",
	pages         = "123--128",
	publisher     = "{ADDP-GIA}",
	title         = "{LDM: A Program Specification Support System}",
	year          = 1982,
}