An Importance Ranking for Components of Highly Reliable Systems. - Klaus Arndt; Bernd-Michael Kirstein (J. Inf. Process. Cybern., 1983)

A Queueing System with Relative and Cyclic Priorities. - Klaus Arndt; Hannelore Sulanke (J. Inf. Process. Cybern., 1984)

Analysis of Three-stage Many-server Exponential Queueing Systems with Blocking. - Klaus Arndt; Hannelore Sulanke (J. Inf. Process. Cybern., 1985)

A Conservation Law for Queueing Systems with Batch Arrivals. - Hannelore Sulanke; Klaus Arndt (J. Inf. Process. Cybern., 1987)