- Author: H Wayne Beaty
- Language: English
- Year: 2001
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- Language: English
- Year: 2001
- Author: R Dodge Woodson
- Language: English
- Year: 2005
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- Language: English
- Year: 2005
- Author: Shashi Menon
- Language: English
- Year: 2004
- Author: H. Wayne Beaty
- Language: English
- Year: 2001
- Author: R. Woodson
- Language: English
- Year: 2005