- Author: Sabine Kirchhoff Sonja Kuhnt Peter Lipp Siegfried Schlawin (auth.)
- Language: German
- Year: 2010
- Author: Sabine Kirchhoff Sonja Kuhnt Peter Lipp Siegfried Schlawin (auth.)
- Language: German
- Year: 2003
- Author: Sabine Kirchhoff Sonja Kuhnt Peter Lipp Siegfried Schlawin (auth.)
- Language: German
- Year: 2001
- Author: Sabine Kirchhoff Sonja Kuhnt Peter Lipp Siegfried Schlawin (auth.)
- Language: German
- Year: 2000