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- Language: English
- Year: 2001

- Author: Steffen Pedersen
- Language: English
- Year: 2006

- Author: Dorian Rogozenko
- Language: English
- Year: 2003

- Author: Bernd Rosen
- Language: English
- Year: 2004

- Author: James Rizzitano
- Language: English
- Year: 2007

- Author: Alex Yermolinsky
- Language: English
- Year: 2000

- Author: Peter Wells
- Language: English
- Year: 2007

- Author: John Watson
- Language: English
- Year: 2006

- Author: Valeri Beim
- Language: English
- Year: 2004