- Author: Christian Dirninger, Robert Kriechbaumer, Reinhard Heinisch, Franz Wieser
- Language: German
- Year: 2022
- Author: Christian Dirninger, Reinhard Heinisch, Robert Kriechbaumer, Franz Wieser
- Language: German
- Year: 2020
- Author: Christian Dirninger, Reinhard Heinisch, Robert Kriechbaumer, Franz Wieser
- Language: German
- Year: 2019