- Author: Hermann Kaufmann, Stefan Krötsch, Stefan Winter
- Language: English
- Year: 2022
- Author: Hermann Kaufmann, Stefan Krötsch, Stefan Winter
- Language: English
- Year: 2018
- Author: Hermann Kaufmann, Stefan Krötsch, Stefan Winter
- Language: German
- Year: 2017
- Author: Hermann Kaufmann, Stefan Krötsch, Stefan Winter
- Language: German
- Year: 2021