- Author: Claudia Feigl
- Language: English
- Year: 2015
- Author: Claudia Feigl
- Language: German
- Year: 2012
- Author: Stefan Alker-Windbichler, Claudia Feigl, Christina Köstner-Pemsel, Thomas Maisel, Wolfgang Nikolaus Rappert, Pamela Stückler, Markus Stumpf
- Language: German
- Year: 2020