@inproceedings{TAPSOFT-1997-HenkeLS,
	author        = "Friedrich W. von Henke and Marko Luther and Martin Strecker",
	booktitle     = "{Proceedings of the Seventh International Joint Conference on Theory and Practice of Software Development}",
	doi           = "10.1007/BFb0030645",
	isbn          = "3-540-62781-2",
	pages         = "851--854",
	publisher     = "{Springer}",
	title         = "{Typelab: An Environment for Modular Program Development}",
	year          = 1997,
}