- Author: Alexander Prenninger, Regina Fritz, Gerhard Botz, Melanie Dejnega
- Language: German
- Year: 2021
- Author: Helmut Konrad, Gerhard Botz, Stefan Karner, Siegfried Mattl
- Language: German
- Year: 2011
- Author: Gerhard Botz, Alexander Prenninger, Regina Fritz, Heinrich Berger
- Language: German
- Year: 2021
- Author: Stefan Karner, Gerhard Botz, Helmut Konrad
- Language: German
- Year: 2017