Knowledge Based Design Flow Management. - Felix Bretschneider; Christa Kopf; Helmut Lagger; Arding Hsu; Elizabeth Wei (ICCAD, 1990)

Systems Modeling and Process Control. - Christa Kopf; Felix Bretschneider (EUROCAST, 1991)

Process control for large complex systems. - Felix Bretschneider; Christa Kopf; Markus Zolg (WSC, 1991)