- Author: Michael Kemper, Raoul Motika, Stefan Reichmuth
- Language: English
- Year: 2009
- Author: Michael Kemper, Stephan Conermann
- Language: English
- Year: 2011
- Author: Michael Kemper, Artemy M. Kalinovsky
- Language: English
- Year: 2015
- Author: I.Y. Kratchkovsky, Tatiana Minorsky, Michael Kemper
- Language: English
- Year: 2016
- Author: Michael Kemper Ralf Elger
- Language: English
- Year: 2017
- Author: Guido Rosso Brian Monnone Michael Kemper
- Language: English
- Year: 2006