- Author: Gerhard Raab, Alexander Unger, Fritz Unger
- Language: German
- Year: 2022
- Author: Prof. Dr. Gerhard Raab Dr. Alexander Unger Prof. Dr. Fritz Unger (auth.)
- Language: German
- Year: 2010
- Author: Gerhard Raab Alexander Unger Fritz Unger
- Language: German
- Year: 2018
- Author: Gerhard Raab Alexander Unger Fritz Unger (auth.)
- Language: German
- Year: 2016
- Author: Gerhard Raab Riad A. Ajami Vidyaranya B. Gargeya and G. Jason Goddard
- Language: English
- Year: 2008
- Author: Gerhard Raab Oliver Gernsheimer Maik Schindler (auth.)
- Language: German
- Year: 2009
- Author: Gerhard Raab Oliver Gernsheimer Maik Schindler (auth.)
- Language: German
- Year: 2009
- Author: Gerhard Raab Alexander Unger Fritz Unger (auth.)
- Language: German
- Year: 2009
- Author: Prof. Dr. Gerhard Raab Alexander Unger Prof. Dr. Fritz Unger (auth.)
- Language: German
- Year: 2004
- Author: Gerhard Raab Fritz Unger (auth.)
- Language: German
- Year: 2001