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- Language: English
- Year: 2017
- Author: McGovern George Stanley, Ambrose Stephen E
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- Year: 2007
- Author: Davis James M., Snead Snead David Lindsey
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- Year: 2006
- Author: Graham M. Simons
- Language: English
- Year: 2012
- Author: McClendon Dennis E
- Language: English
- Year: 1982