@inproceedings{ITiCSE-2002-HansenR,
	author        = "Klaus Marius Hansen and Anne V. Ratzer",
	booktitle     = "{Proceedings of the Seventh Conference on Innovation and Technology in Computer Science Education}",
	doi           = "10.1145/544414.544458",
	isbn          = "1-58113-499-1",
	pages         = "146--150",
	publisher     = "{ACM}",
	title         = "{Tool support for collaborative teaching and learning of object-oriented modeling}",
	year          = 2002,
}