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Full text available from Earth, Atmospheric & Aquatic Science Database: 01/01/1988 to 03/31/1989
Full text available from Engineering Database: 01/01/1988 to 03/31/1989
Full text available from Environmental Science Database: 01/01/1988 to 03/31/1989
Full text available from Research Library: 01/01/1988 to 03/31/1989
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