- Author: Torsten Schmiermund
- Language: English
- Year: 2022
- Author: Torsten Schmiermund
- Language: English
- Year: 2022
- Author: Torsten Schmiermund
- Language: German
- Year: 2020
- Author: Torsten Schmiermund
- Language: German
- Year: 2019
- Author: Torsten Schmiermund
- Language: German
- Year: 2019
- Author: Torsten Schmiermund
- Language: German
- Year: 2019