- Author: Meinhard Hilf, Torsten Stein, Michael Schweitzer, Dietrich Schindler, Manfred Zuleeg, Hans-Werner Rengeling
- Language: German
- Year: 1994
- Author: Chavda Selina J., Donald Anna, Hill Ciaran, Stein Michael
- Language: English
- Year: 2015
- Author: Donald Anna, Hill Ciaran, Stein Michael
- Language: English
- Year: 2011
- Author: Seth Stein Michael Wysession
- Language: English
- Year: 2003
- Author: Seth Stein Michael Wysession
- Language: English
- Year: 2002
- Author: Seth Stein Michael Wysession
- Language: English
- Year: 2002
- Author: Seth Stein Michael Wysession
- Language: English
- Year: 2002