- Author: William G. Hopkins
- Language: English
- Year: 2006
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- Language: English
- Year: 2008
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- Language: English
- Year: 2005
- Author: Linda Elkins-Tanton
- Language: English
- Year: 2006
- Author: Richard Stripp
- Language: English
- Year: 2007
- Author: David M. Thompson David G. Haase
- Language: English
- Year: 2007
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- Language: English
- Year: 2006
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- Language: English
- Year: 2006
Lakes
pdf
- Author: Jeanne K. Hanson
- Language: English
- Year: 2007
Hallucinogens
pdf
- Author: Randi Mehling
- Language: English
- Year: 2003