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- Language: English
- Year: 1997

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- Language: English
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- Language: English
- Year: 1996

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- Language: English
- Year: 1997

- Author: John W. Wertheimer
- Language: English
- Year: 2009

- Author: Susan Compo
- Language: English
- Year: 2009

- Author: Michael Sturma
- Language: English
- Year: 2008

- Author: Joe L. Coker
- Language: English
- Year: 2007

- Author: Steven M. Sanders
- Language: English
- Year: 2007