Distributed Trouble-Shooting. - Wilfried M. Post; Sylvia A. A. Van Den Boogaard; Peter C. Rasker (COOP, 2004)

Evaluating meeting support tools. - Wilfried M. Post; Mirjam Huis in 't Veld; Sylvia A. A. Van Den Boogaard (Pers. Ubiquitous Comput., 2008)