- Author: Stefan Roth Achim Stahl
- Language: German
- Year: 2022
- Author: Stefan Roth Achim Stahl
- Language: German
- Year: 2023
- Author: Stefan Roth Achim Stahl
- Language: German
- Year: 2022
- Author: Stefan Roth Achim Stahl
- Language: German
- Year: 2019
- Author: Stefan Roth Achim Stahl
- Language: German
- Year: 2018
- Author: Stefan Roth Achim Stahl (auth.)
- Language: German
- Year: 2016