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- Author: Roger A. Freeman
- Language: English
- Year: 1971
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- Author: Roger A. Freeman
- Language: English
- Year: 1971
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- Author: Roger L. Freeman
- Language: English
- Year: 2005
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- Author: Roger L. Freeman
- Language: English
- Year: 2004
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- Author: Roger L. Freeman
- Language: English
- Year: 1999
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- Author: Roger L. Freeman
- Language: English
- Year: 2005