@inproceedings{TLCA-1997-Lenisa,
	author        = "Marina Lenisa",
	booktitle     = "{Proceedings of the Fourth International Conference on Typed Lambda Calculi and Applications}",
	doi           = "10.1007/3-540-62688-3_40",
	isbn          = "3-540-62688-3",
	pages         = "248--266",
	publisher     = "{Springer-Verlag}",
	series        = "{Lecture Notes in Computer Science}",
	title         = "{Semantic Techniques for Deriving Coinductive Characterizations of Observational Equivalences for λ-calculi}",
	volume        = 1210,
	year          = 1997,
}