- Author: Jürgen Steimle (auth.)
- Language: German
- Year: 2008
- Author: Prof. Dr. Günter Knieps (auth.)
- Language: German
- Year: 2008
- Author: Robert Richert (auth.)
- Language: German
- Year: 2010
- Author: Friedrich Breyer (auth.)
- Language: German
- Year: 2008
- Author: Harald Wiese (auth.)
- Language: German
- Year: 2010
- Author: Ralf Peters (auth.)
- Language: German
- Year: 2010
- Author: Bernd Woeckener (auth.)
- Language: German
- Year: 2010
- Author: Paul Engelkamp Friedrich L. Sell (auth.)
- Language: German
- Year: 2013
- Author: Bernd Woeckener (auth.)
- Language: German
- Year: 2013