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出版 1976
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Government Document
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Full text available from Earth, Atmospheric & Aquatic Science Database: 05/01/1961 to 12/31/1969
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Full text available from Biological Science Database: 01/01/1993 to 12/31/1993
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Full text available from Biological Science Database: 01/01/1999 to 12/31/1999
Full text available from Earth, Atmospheric & Aquatic Science Database: 01/01/1999 to 12/31/1999
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Full text available from Biological Science Database: 01/01/2005 to 12/31/2005
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Full text available from Biological Science Database: 01/01/2010 to 05/31/2011
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