@inproceedings{ICFP-1997-LaunchburyS,
	author        = "John Launchbury and Amr Sabry",
	booktitle     = "{Proceedings of the Second International Conference on Functional Programming}",
	doi           = "10.1145/258948.258970",
	editor        = "Simon L. Peyton Jones and Mads Tofte and A. Michael Berman",
	isbn          = "0-89791-918-1",
	pages         = "227--238",
	publisher     = "{ACM}",
	title         = "{Monadic State: Axiomatization and Type Safety}",
	year          = 1997,
}