- Author: Stefan Kiener, Nicolas Maier-Scheubeck, Robert Obermaier, Manfred Weiß
- Language: German
- Year: 2017
- Author: Stefan Kiener, Nicolas Maier-Scheubeck, Robert Obermaier, Manfred Weiß
- Language: German
- Year: 2012
- Author: Dr. Stefan Kiener (auth.)
- Language: German
- Year: 1990