- Author: Reinhold Remmert Peter Ullrich (auth.)
- Language: German
- Year: 2008
- Author: Reinhold Remmert Peter Ullrich
- Language: German
- Year: 2008
- Author: Reinhold Remmert Peter Ullrich
- Language: English
- Year: 2008
- Author: Reinhold Remmert Peter Ullrich
- Language: German
- Year: 1995