- Author: Markus Zahn
- Language: English
- Year: 2003
- Author: Markus Zahn
- Language: English
- Year: 1979
- Author: Markus Zahn
- Language: Engish
- Year: 1979
- Author: Markus Zahn (auth.)
- Language: German
- Year: 2006
- Author: Markus Zahn
- Language: English
- Year: 2003
- Author: Markus Zahn
- Language: German
- Year: 2006
- Author: Markus Zahn
- Language: English
- Year: 1979
- Author: Markus Zahn
- Language: German
- Year: 2006