
- Author: Stefan Th. Gries
- Language: English
- Year: 2009

- Author: Stefan Th. Gries
- Language: English
- Year: 2009

- Author: Anatol Stefanowitsch Stefan Th. Gries
- Language: English
- Year: 2007

- Author: Stefan Th Gries Stefanie Wulff Mark Davies
- Language: English
- Year: 2009