- Author: Axel Schulz, Waldemar Berg, Marco A. Gardini, Torsten Kirstges, Bernd Eisenstein
- Language: German
- Year: 2011
- Author: Bernd Eisenstein
- Language: German
- Year: 2011
- Author: Axel Schulz, Waldemar Berg, Marco A. Gardini, Torsten Kirstges, Bernd Eisenstein
- Language: German
- Year: 2013
- Author: Bernd Eisenstein
- Language: German
- Year: 2013
- Author: Harald Dettmer, Bernd Eisenstein, Axel Gruner, Thomas Hausmann, Claude Kaspar, Werner Oppitz, Anna Maria Pircher-Friedrich, Gerhard Schoolmann
- Language: German
- Year: 2005