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平台:
Elsevier SDOL (ScienceDirect Online)
(Available from 1995.)
ProQuest Agricultural & Environmental Science Database
(Available from 2002/03/01 volume: 159 issue: 3 until 2005/05/31 volume: 162 issue: 5.)
ProQuest Biological Science Database
(Available from 2002/03/01 volume: 159 issue: 3 until 2005/05/31 volume: 162 issue: 5.)
ProQuest SciTech Premium Collection
(Available from 2002/03/01 volume: 159 issue: 3 until 2005/05/31 volume: 162 issue: 5.)