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- Language: German
- Year: 2015

- Author: Annika Raapke
- Language: German
- Year: 2019

- Author: Dagmar Freist (editor)
- Language: German
- Year: 2015

- Author: Sabine Kyora (editor)
- Language: German
- Year: 2014

- Author: Michaela Koch
- Language: English
- Year: 2017

- Author: Andrea Querfurt
- Language: German
- Year: 2015