- Author: Susanne Möller
- Language: German
- Year: 2023
- Author: German Quernheim (auth.)
- Language: German
- Year: 2010
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- Language: German
- Year: 2010
- Author: German Quernheim (auth.)
- Language: German
- Year: 2010
- Author: Andrea Fischer
- Language: German
- Year: 2019
- Author: German Quernheim
- Language: German
- Year: 2019
- Author: German Quernheim
- Language: German
- Year: 2018
- Author: German Quernheim
- Language: German
- Year: 2018
- Author: Ingrid Kollak (auth.)
- Language: German
- Year: 2017
- Author: Marion Jettenberger (auth.)
- Language: German
- Year: 2017