- Author: Kappauf Jens, Koch Matthias, Lauterbach Bernd
- Language: English
- Year: 2011
- Author: Elliott Barry, Elliott Jamie
- Language: English
- Year: 2015
- Author: Karlheinz H. W. Thies (auth.)
- Language: German
- Year: 2008
- Author: Fabian Ahrendts Anita Marton (auth.)
- Language: German
- Year: 2008
- Author: Kramer Thomas J
- Language: German
- Year: 2008
- Author: Herzog Katharina
- Language: German
- Year: 2018
- Author: Furnham Adrian, MacRae Ian, Reed Martin
- Language: English
- Year: 2018
- Author: Ulmer Michael
- Language: English
- Year: 2014