@inproceedings{ILPC-1984-SunW84,
	author        = "Huaimin Sun and Liguo Wang",
	booktitle     = "{Proceedings of the Second International Logic Programming Conference}",
	pages         = "253--262",
	publisher     = "{Uppsala University}",
	title         = "{A Model Theory of Logic Programming Methodology}",
	year          = 1984,
}