- Author: National Academy of Sciences
- Language: English
- Year: 2014
- Author: Carl R. Lovitt, Dixie Goswami
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- Year: 1999
- Author: Carol Siri Johnson, Charles H. Sides
- Language: English
- Year: 2008
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- Language: English
- Year: 2009
- Author: Denise Tillery, Ed Nagelhout
- Language: English
- Year: 2015
- Author: Elizabeth Tebeaux
- Language: English
- Year: 2014
- Author: George F. Hayhoe, Helen M. Grady, Charles H. Sides
- Language: English
- Year: 2008
- Author: Charles H. Sides
- Language: English
- Year: 2005