
- Author: Thorsten Fuchs Anja Schierbaum Alena Berg
- Language: German
- Year: 2020

- Author: Thomas Meyer Rainer Patjens
- Language: German
- Year: 2020

- Author: Jutta Ecarius Johannes Bilstein
- Language: German
- Year: 2020

- Author: Tanja Klenk Frank Nullmeier Göttrik Wewer
- Language: German
- Year: 2020

- Author: Rolf-Dieter Hepp David Kergel Robert Riesinger
- Language: English
- Year: 2020

- Author: Sven Thiersch Mirja Silkenbeumer Julia Labede
- Language: German
- Year: 2020

- Author: Martin Wazlawik Bernd Christmann Maika Böhm Arne Dekker
- Language: German
- Year: 2020

- Author: Ulrich Gebhard
- Language: German
- Year: 2020

- Author: Mike Friedrichsen Wulf Wersig
- Language: German
- Year: 2020