- Author: Dietrich Boles
- Language: German
- Year: 2007
- Author: Clemens Kaesler
- Language: German
- Year: 2004
- Author: Horst Czichos
- Language: German
- Author: Herbert Oertel Jr.
- Language: German
- Year: 2006
- Author: Stefan Lecheler
- Language: German
- Year: 2008
- Author: Stefan Baerisch
- Language: English
- Year: 2010
- Author: Klaeren Sperber
- Language: German
- Year: 2008
- Author: Joachim Reinhold
- Language: German
- Year: 2006
- Author: Heiko Seemann Roland Winter Claus Czeslik
- Language: German
- Year: 2007
