- Author: Kalg Andreas
- Language: German
- Year: 2009
- Author: Ingrid Peikert
- Language: German
- Author: Goerke Kay
- Language: German
- Year: 2011
- Author: Kainer Franz
- Language: German
- Year: 2016
- Author: Heimann Dieter, Lawall Jürgen
- Language: German
- Year: 2016
- Author: Rudolf Korinthenberg
- Language: German
- Year: 2014
- Author: Martin Trepel
- Language: German
- Year: 2012
- Author: Klaus Lieb, Sabine Frauenknecht, Stefan Brunnhuber, Christoph Wewetzer
- Language: German
- Year: 2008
- Author: Claudia Dellas
- Language: German
- Year: 2011