- Author: Angermann Renate, Westheide Wilfried
- Language: German
- Year: 2010
- Author: Manfred Spitzer
- Language: German
- Year: 2003
- Author: Uwe Schoning
- Language: German
- Year: 2000
- Author: Mike Scherfner, Torsten Volland
- Language: German
- Year: 2012
- Author: Dörte Haftendorn
- Language: German
- Author: Guido Walz, Thomas Rießinger, Frank Zeilfelder
- Language: German
- Year: 2011
- Author: Paul Ekman
- Language: German