@inproceedings{PPDP-2000-Lu,
	author        = "Lunjin Lu",
	booktitle     = "{Proceedings of the Second International Conference on Principles and Practice of Declarative Programming}",
	doi           = "10.1145/351268.351293",
	pages         = "214--225",
	title         = "{A precise type analysis of logic programs}",
	year          = 2000,
}