Publications published in 1998
Prozess- und Kooperationsunterstützung in Intra- und Internet
Ziegler, J., Hase, H., & Caloyannis, E. (1998). Bonn 24.11.1998; Bonn 24.11.1998.
Designing Effective and Usable Multimedia Systems
Sutcliffe, A. G., Ziegler, J., & Johnson, P. (1998).