- Author: Gerzon Mark
- Language: English
- Year: 2016
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- Language: English
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- Language: English
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- Language: English
- Year: 2010
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- Language: English
- Year: 2010
- Author: da Vinci Leonardo, Capra Fritjof
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- Year: 2014
- Author: Clements Jeffrey D
- Language: English
- Year: 2014
- Author: Clements Jeffrey D
- Language: English
- Year: 2014
- Author: Clements Jeffrey D., Moyers Bill D
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- Year: 2012
- Author: Hiatt Steven
- Language: English
- Year: 2007