@inproceedings{POPL-1977-CousotC,
	author        = "Patrick Cousot and Radhia Cousot",
	booktitle     = "{Conference Record of the Fourth Symposium on Principles of Programming Languages}",
	cdrom         = "POPL/00001447.PDF",
	doi           = "10.1145/512950.512973",
	editor        = "Robert M. Graham and Michael A. Harrison and Ravi Sethi",
	pages         = "238--252",
	publisher     = "{ACM}",
	title         = "{Abstract Interpretation: A Unified Lattice Model for Static Analysis of Programs by Construction or Approximation of Fixpoints}",
	year          = 1977,
}