- Author: Manuela Hirsch
- Language: German
- Year: 2008
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- Language: German
- Year: 2007
- Author: Clemens Löffler
- Language: German
- Year: 2008
- Author: Jens Robert Schöndube
- Language: German
- Year: 2006
- Author: Bernd-Oliver Heine
- Language: German
- Year: 2008