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- Language: English
- Year: 2006

- Author: Roger Ellerton
- Language: English
- Year: 2005

- Author: Pane Andov
- Language: English
- Year: 2007

- Author: Dennis Rivers
- Language: English
- Year: 2007

- Author: Qing K. Zhu
- Language: English
- Year: 2002

- Author: H. J. Oliver
- Language: English
- Year: 2003

- Author: David Hartill
- Language: English
- Year: 2005