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Full text available from Agricultural Science Database: 04/01/1998 to present
Full text available from Career & Technical Education Database: 04/01/1998 to present
Full text available from Engineering Database: 04/01/1998 to present
Full text available from Environmental Science Database: 04/01/1998 to present
Electronic
Journal
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Full text available from Environmental Science Database: 02/01/2004 to 1 year ago
Full text available from Research Library: 02/01/2004 to 1 year ago
Full text available from Science Database: 02/01/2004 to 1 year ago
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Published 1924
Full text available from Research Library: 01/01/1994 to 10/31/2001
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