An Approach for the Integration of Hard and Soft Factors within the Design of Knowledge Management in Entrepreneurial Networks. - Tomaso Forzi; Meikel Peters; Katrin Winkelmann; Holger Diehl; Philipp Hutterer (LWA, 2004)

Prospective Analysis of Cooperative Provision of Industrial Services Using Coloured Petri Nets. - Katrin Winkelmann; Holger Luczak (ICATPN, 2006)