Siemens Multiprocessors. - Horst Gietl; Michael Schmidt-Voigt; Willi Kratzer (Prax. Inf.verarb. Kommun., 1990)

The Parallel Processing System from nCube. - Michael Schmidt-Voigt; Horst Gietl (Supercomputer, 1991)

Supercomputers - Prestige Objects or Crucial Tools for Science and Industry? - Hans Werner Meuer; Horst Gietl (Prax. Inf.verarb. Kommun., 2013)