- Author: Fritz Berner Bernd Kochendörfer Rainer Schach (auth.)
- Language: German
- Year: 2015
- Author: Fritz Berner Bernd Kochendörfer Rainer Schach (auth.)
- Language: German
- Year: 2013
- Author: Fritz Berner Bernd Kochendörfer Rainer Schach (auth.)
- Language: German
- Year: 2013