@inproceedings{ECOOP-1989-MullerP,
	author        = "Gerhard Müller and Anna-Kristin Pröfrock",
	booktitle     = "{Proceedings of the Third European Conference on Object-Oriented Programming}",
	editor        = "S. Cook",
	isbn          = "0-521-38232-7",
	pages         = "271--282",
	publisher     = "{Cambridge University Press}",
	title         = "{Four Steps and a Rest in Putting an Object-Oriented Programming Environment to Practical Use}",
	year          = 1989,
}