G. Klein-Heßling, and M. Schäfer. Rechnergestützter Entwurf und Architektur mikroelektronischer Systeme, volume 255 of Informatik-Fachberichte, page 130-142. Springer, (1990)
H. Klein, and M. Huynh. New Information Technologies in Organizational Processes, volume 149 of IFIP Conference Proceedings, page 79-98. Kluwer, (1999)
H. Klein, and R. Hirschheim. Human, Organizational, and Social Dimensions of Information Systems Development, volume A-24 of IFIP Transactions, page 263-280. North-Holland, (1993)