- Author: Dr. Klaus Vetters (auth.)
- Language: German
- Year: 2001
- Author: Professor Dr. Bernd Luderer Professor Dr. Volker Nollau Dr. Klaus Vetters (auth.)
- Language: English
- Year: 2002
- Author: Dr. Klaus Vetters (auth.)
- Language: German
- Year: 1996
- Author: Professor Dr. Bernd Luderer Professor Dr. Volker Nollau Dr. Klaus Vetters (auth.)
- Language: English
- Year: 2007
- Author: Professor Dr. Bernd Luderer Professor Dr. Volker Nollau Dr. Klaus Vetters (auth.)
- Language: English
- Year: 2005
- Author: Dr. Klaus Vetters (auth.)
- Language: German
- Year: 2004