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Full text available from Agricultural Science Database: 01/01/1985 to 10/31/1985
Full text available from Engineering Database: 01/01/1985 to 10/31/1985
Full text available from Environmental Science Database: 01/01/1985 to 10/31/1985
Full text available from ABI/INFORM Global: 01/01/1986 to 11/30/1998
Full text available from Agricultural Science Database: 01/01/1986 to 11/30/1998
Full text available from Engineering Database: 01/01/1986 to 11/30/1998
Full text available from Environmental Science Database: 01/01/1986 to 11/30/1998
Full text available from ABI/INFORM Global: 01/01/1999 to 07/31/2005
Full text available from Agricultural Science Database: 01/01/1999 to 07/31/2005
Full text available from Engineering Database: 01/01/1999 to 07/31/2005
Full text available from Environmental Science Database: 01/01/1999 to 07/31/2005
电子
杂志
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出版 1990
Full text available from ABI/INFORM Global: 01/01/2006 to presentFull text available from Engineering Database: 01/01/2006 to present
Full text available from Environmental Science Database: 01/01/2006 to present
Full text available from Political Science Database: 01/01/2006 to present
电子
杂志
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出版 1942
Full text available from ABI/INFORM Global: 01/04/1988 to 02/28/1994Full text available from Accounting & Tax Database: 01/04/1988 to 02/28/1994
Full text available from Research Library: 01/04/1988 to 02/28/1994
Full text available from U.S. Northeast Newsstream: 01/04/1988 to 02/28/1994
电子
杂志
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