- Author: Bernd Schips (auth.) Ralph Berndt (eds.)
- Language: German
- Year: 2009
- Author: Anette von Ahsen Marcel Heesen (auth.) Anette Ahsen (eds.)
- Language: German
- Year: 2010
- Author: Frank Stenner (auth.) Dr. Frank Stenner (eds.)
- Language: German
- Year: 2010
- Author: Hans Sommer (auth.)
- Language: German
- Year: 2009
- Author: Prof. Dr. Reinhard Busse Prof. Dr. Jonas Schreyögg Dr. Oliver Tiemann (auth.)
- Language: German
- Year: 2010
- Author: Andreas Pfnür Christoph Schetter Henning Schöbener (auth.)
- Language: German
- Year: 2010