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- Language: English
- Year: 2008
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- Year: 2000
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- Year: 2014
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- Year: 2013
- Author: Charles A. Hale
- Language: English
- Year: 2008
- Author: Brian Bow, Arturo Santa-Cruz
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- Year: 2012
- Author: Rubenstein Anne
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- Year: 1998
- Author: Riding Alan
- Language: English
- Year: 2000