- Author: Rüdiger Lohlker, Tamara Abu-Hamdeh
- Language: English
- Year: 2014
- Author: Michael Ungermann
- Language: English
- Year: 2015
- Author: Marcus Dettenbach
- Language: English
- Year: 2015
- Author: Marek Rewizorski
- Language: English
- Year: 2014
- Author: Kathrin Kaulard
- Language: English
- Year: 2015
- Author: Manuel Dorsch
- Language: English
- Year: 2016
- Author: Roland Pfister
- Language: English
- Year: 2013
- Author: Andreas Weiler
- Language: English
- Year: 2012