- Author: Matthias Egg
- Language: English
- Year: 2014
- Author: Hans Bernhard Schmid (editor), Daniel Sirtes (editor), Marcel Weber (editor)
- Language: English
- Year: 2011
- Author: André Fuhrmann (editor), Erik J. Olsson (editor)
- Language: German
- Year: 2004
- Author: Sebastian J. Müller
- Language: English
- Year: 2014
- Author: Patrice Soom
- Language: English
- Year: 2011
- Author: Gordian Haas
- Language: English
- Year: 2015
- Author: Thomas Sukopp
- Language: German
- Year: 2006
- Author: Reiner Hedrich
- Language: German
- Year: 2007
- Author: Sebastian J. Müller
- Language: German
- Year: 2014