@inproceedings{OOPSLA-1989-MaloneyBF,
	author        = "John Maloney and Alan Borning and Bjørn N. Freeman-Benson",
	booktitle     = "{Proceedings of the Fourth Conference on Object-Oriented Programming, Systems, Languages and Applications}",
	doi           = "10.1145/74877.74917",
	editor        = "George Bosworth",
	isbn          = "0-89791-333-7",
	pages         = "381--388",
	publisher     = "{ACM}",
	title         = "{Constraint Technology fur User-Interface Construction in ThingLab II}",
	year          = 1989,
}