- Author: Prof. Dr. Wolfgang Kühnel (auth.)
- Language: German
- Year: 2010
- Author: Prof. Dr. Wolfgang Kühnel (auth.)
- Language: German
- Year: 2005
- Author: Prof. Dr. Wolfgang Kühnel (auth.)
- Language: German
- Year: 2008
- Author: Wolfgang Kühnel (auth.)
- Language: German
- Year: 2013
- Author: Prof. Dr. Wolfgang Kühnel (auth.)
- Language: German
- Year: 2003
- Author: Prof. Dr. Wolfgang Kühnel (auth.)
- Language: German
- Year: 1999
- Author: Wolfgang Kühnel (auth.)
- Language: English
- Year: 1995
- Author: Wolfgang Kühnel (auth.)
- Language: English
- Year: 1995