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- Language: German
- Year: 1985
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- Year: 2018
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- Year: 2021
- Author: Clausen Anne
- Language: German
- Year: 2023
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- Language: German
- Year: 2018
- Author: Eming Knut
- Language: German
- Year: 1993
- Author: Pieper Hans-Joachim
- Language: German
- Year: 2019
- Author: Schmidt-Biggemann Wilhelm
- Language: German
- Year: 1995
- Author: Weiner Sebastian Florian
- Language: German
- Year: 2016