- Author: Hans-Günter Semsek
- Language: German
- Year: 2001
- Author: Karin Spitzing
- Language: German
- Year: 2001
- Author: Martin Lutterjohann
- Language: German
- Year: 2003
- Author: Elke Becker
- Language: German
- Year: 2002
- Author: Alfred Vollmer
- Language: German
- Year: 2011
- Author: Tanja Wank Norbert Köhler
- Language: German
- Year: 2011
- Author: Daniel Krasa
- Language: German
- Year: 2010
- Author: Manfred Ferner
- Language: German
- Year: 2010
- Author: Roland Hanewald
- Language: German
- Year: 2009
- Author: Sabine Schwieder Wolfram Schwieder
- Language: German
- Year: 2010
