An Approach to Integrating Expert Systems with Connectionist Networks. - Matthias Gutknecht; Rolf Pfeifer (AI Commun., 1990)

Cooperative Hybrid Systems. - Matthias Gutknecht; Rolf Pfeifer; Markus Stolze (IJCAI, 1991)

Building Human-Centred Intelligent Cooperative Information Systems with IKEA. - Markus Stolze; Matthias Gutknecht; Rolf Pfeifer (The Next Generation of Information Systems, 1991)

Helping Clients Harness Knowledge to Drive Innovation. - David Connor; Matthias Gutknecht (PAKM, 1998)