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- Language: English
- Year: 2013
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- Language: English
- Year: 2013
- Author: Dale S. Borowiak Arnold F. Shapiro
- Language: English
- Year: 2013
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- Year: 2011
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- Language: English
- Year: 2012
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- Language: English
- Year: 2014
- Author: David Doane Lori Seward
- Language: English
- Year: 2010
- Author: Bartholomew David J.
- Language: English
- Year: 2008
- Author: Conrad Carlberg
- Language: English
- Year: 2011
- Author: Robertson B.
- Language: English
- Year: 1988