@inproceedings{HCI-SHI-1993-Wulf,
	author        = "Volker Wulf",
	booktitle     = "{Proceedings of the Fifth International Conference on Human-Computer Interaction. Volume 2: Software and Hardware Interfaces}",
	isbn          = "0-444-89540-X",
	pages         = "985--990",
	publisher     = "{Elsevier}",
	title         = "{Negotiability: A Metafunction to Support Personalizable Groupware}",
	year          = 1993,
}