@inproceedings{POPL-2006-KoutavasW,
	author        = "Vasileios Koutavas and Mitchell Wand",
	booktitle     = "{Proceedings of the 33rd Symposium on Principles of Programming Languages}",
	doi           = "10.1145/1111037.1111050",
	editor        = "J. Gregory Morrisett and Simon L. Peyton Jones",
	isbn          = "1-59593-027-2",
	pages         = "141--152",
	publisher     = "{ACM}",
	title         = "{Small bisimulations for reasoning about higher-order imperative programs}",
	year          = 2006,
}