@inproceedings{CCIPL-1989-SannellaT,
	author        = "Donald Sannella and Andrzej Tarlecki",
	booktitle     = "{Proceedings of the Third International Joint Conference on Theory and Practice of Software Development, Volume 2: Colloquium on Current Issues in Programming Languages}",
	doi           = "10.1007/3-540-50940-2_48",
	isbn          = "3-540-50940-2",
	pages         = "375--389",
	publisher     = "{Springer}",
	title         = "{Toward Formal Development of ML Programs: Foundations and Methodology (Extended Abstract)}",
	year          = 1989,
}