- Author: Jean-Louis Cohen, Hartmut Frank, Volker Ziegler, Christine Mengin
- Language: German
- Year: 2019
- Author: Jean-Louis Cohen, Hartmut Frank, Volker Ziegler, Christine Mengin
- Language: German
- Year: 2019
- Author: Behl Christian, Ziegler Christine
- Language: English
- Year: 2014