@inproceedings{HCI-EI-1999-BergB,
	author        = "Roelof J. van den Berg and Ilse M. Breedvelt-Schouten",
	booktitle     = "{Proceedings of the Eighth International Conference on Human-Computer Interaction. Volume 1: Ergonomics and User Interfaces}",
	isbn          = "0-8058-3391-9",
	pages         = "1083--1087",
	publisher     = "{Lawrence Erlbaum}",
	title         = "{Why extending ERP software with multi-user interfaces?}",
	year          = 1999,
}