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Published 1960
Full text available from Research Library: 04/01/2004 to 10/31/2010
Electronic
Journal
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Full text available from Earth, Atmospheric & Aquatic Science Database: 10/01/2002 to present
Full text available from Research Library: 10/01/2002 to present
Full text available from Social Science Database: 10/01/2002 to present
Electronic
Journal
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