- Author: Alexander Denzler, Ellen Franke, Stefan Andreas Stodolkowitz, Britta Schneider, Josef Bongartz
- Language: German
- Year: 2017
- Author: Britta Schneider
- Language: English
- Year: 2014
- Author: Britta Schneider, Theresa Heyd, Mario Saraceni
- Language: English
- Year: 2021