MACS - A Modular Collaboration Environment. - Oliver Brand; Werner Mahalek; Dirk Sturzebecher; Martina Zitterbart (IMSA, 1999)

MACS - Eine modulare Kollaborationsumgebung. - Oliver Brand; Werner Mahalek; Dirk Sturzebecher; Martina Zitterbart (Prax. Inf.verarb. Kommun., 1999)

Supporting Tele-Teaching: visualization aspects. - Oliver Brand; Leo Petrak; Dirk Sturzebecher; Martina Zitterbart (J. Netw. Comput. Appl., 2000)

A portable and flexible framework for cscw systems. - Dirk Sturzebecher (2000)