- Author: Guido Walz Frank Zeilfelder Thomas Rießinger
- Language: English
- Year: 2023
- Author: Guido Walz Frank Zeilfelder Thomas Rießinger
- Language: German
- Year: 2019
- Author: Guido Walz Frank Zeilfelder Thomas Rießinger
- Language: German
- Year: 2011
- Author: Guido Walz Frank Zeilfelder Thomas Rießinger (auth.)
- Language: German
- Year: 2014
- Author: Guido Walz, Thomas Rießinger, Frank Zeilfelder
- Language: German
- Year: 2011
- Author: Guido Walz Frank Zeilfelder Thomas Rießinger
- Language: German
- Year: 2011