- Author: Carl-Heinrich Bösling, Claudia Junk, Thomas F. Schneider, Bernd Stegemann
- Language: German
- Year: 2019
- Author: Carl-Heinrich Bösling, Ursula Führer, Claudia Junk, Thomas F. Schneider
- Language: German
- Year: 2017
- Author: Carl-Heinrich Bösling, Ursula Führer, Claudia Glunz, Thomas F. Schneider
- Language: German
- Year: 2015