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平台:
EBSCOhost Academic Search Complete
(Available from 1997/03/01. Most recent 6 month(s) not available.)
EBSCOhost STM Source
(Available from 1997/03/01. Most recent 6 month(s) not available.)
ProQuest Agricultural & Environmental Science Database
(Available from 1993/12/01 volume: 30 issue: 4 until 2001/04/30 volume: 38 issue: 1/2.)
ProQuest Earth, Atmospheric & Aquatic Science Database
(Available from 1993/12/01 volume: 30 issue: 4 until 2001/04/30 volume: 38 issue: 1/2.)
ProQuest SciTech Premium Collection
(Available from 1993/12/01 volume: 30 issue: 4 until 2001/04/30 volume: 38 issue: 1/2.)