- Author: Zimmermann Andreas, Giegerich Thomas
- Language: German
- Year: 2007
- Author: Varwick Johannes, Zimmermann Andreas
- Language: German
- Year: 2006
- Author: Hofmann Rainer, Zimmermann Andreas
- Language: German
- Year: 2005
- Author: Giegerich Thomas, Zimmermann Andreas
- Language: German
- Year: 2008
- Author: Delbrück Jost, Giegerich Thomas, Zimmermann Andreas
- Language: German
- Year: 2009
- Author: Delbrück Jost, Giegerich Thomas, Zimmermann Andreas
- Language: German
- Year: 2007