- Author: Grotenhermen Franjo, Russo Ethan B
- Language: English
- Year: 2006
- Author: Grotenhermen Franjo, Reckendrees Britta
- Language: German
- Year: 2016
- Author: Grotenhermen Franjo, Gandjour Joubin, Gebhardt Kathrin, Wortmann Frank T., Thumm Andreas
- Language: German
- Year: 1997