- Author: Roman Becker, Gregor Daschmann
- Language: English
- Year: 2023
- Author: Roman Becker Gregor Daschmann
- Language: English
- Year: 2023
- Author: Roman Becker Gregor Daschmann (auth.)
- Language: German
- Year: 2016
- Author: Roman Becker (auth.)
- Language: German
- Year: 2015
- Author: Roman Becker Gregor Daschmann (auth.)
- Language: German
- Year: 2015