- Author: Georg Bitter
- Language: German
- Year: 2020
- Author: Georg Bitter, Marcus Lutter, Hans-Joachim Priester, Wolfgang Schön, Peter Ulmer (editors)
- Language: German
- Year: 2009
- Author: Thorsten Höche, Georg Bitter, Markus Escher, et. al.
- Language: German
- Year: 2013