@inproceedings{OOPSLA-1997-Kent,
	author        = "Stuart Kent",
	booktitle     = "{Proceedings of the 12th Conference on Object-Oriented Programming, Systems, Languages and Applications}",
	doi           = "10.1145/263698.263756",
	editor        = "Mary E. S. Loomis and Toby Bloom and A. Michael Berman",
	isbn          = "0-89791-908-4",
	pages         = "327--341",
	publisher     = "{ACM}",
	title         = "{Constraint Diagrams: Visualizing Assertions in Object-Oriented Models}",
	year          = 1997,
}