- Author: Dr. Erich Pürgy (auth.)
- Language: German
- Year: 2005
- Author: MMag. Dr. Stephan Lenzhofer (auth.)
- Language: German
- Year: 2010
- Author: Univ.-Prof. DDr. Christoph Grabenwarter (auth.)
- Language: German
- Year: 2010
- Author: Univ.-Prof. Dr. Filippo Ranieri (auth.)
- Language: German
- Year: 2009