@inproceedings{PEPM-1991-CortesiF,
	author        = "Agostino Cortesi and Gilberto Filé",
	booktitle     = "{Proceedings of the First Workshop on Partial Evaluation and Semantics-Based Program Manipulation}",
	doi           = "10.1145/115865.115872",
	isbn          = "0-89791-433-3",
	pages         = "52--61",
	publisher     = "{ACM}",
	title         = "{Abstract Interpretation of Logic Programs: An Abstract Domain for Groundness, Sharing, Freeness and Compoundness Analysis}",
	year          = 1991,
}