- Author: Henrik Simojoki, Martin Rothgangel, Ulrich H.J. Körtner
- Language: German
- Year: 2022
- Author: Rainer Lachmann, Gottfried Adam, Christine Reents
- Language: German
- Year: 2018
- Author: Rainer Lachmann, Martin Rothgangel, Bernd Schröder
- Language: German
- Year: 2020
- Author: Jörg Thierfelder, Herbert Gutschera, Rainer Lachmann
- Language: German
- Year: 2014
- Author: Martin Rothgangel, Henrik Simojoki, Ulrich H.J. Körtner
- Language: German
- Year: 2019