- Author: Robert Schaback Holger Wendland (auth.)
- Language: German
- Year: 2005
- Author: Holger Wendland
- Language: English
- Year: 2017
- Author: Holger Wendland
- Language: English
- Year: 2017
- Author: Robert Schaback Holger Wendland (auth.)
- Language: German
- Year: 2005
- Author: Holger Wendland
- Language: English
- Year: 2004
- Author: Robert Schaback Holger Wendland
- Language: German
- Year: 2004