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平台:
EBSCOhost Academic Search Complete
(Available from 1994/05/01.)
EBSCOhost OmniFile Full Text Select
(Available from 1995/01/01 until 2001/11/30.)
EBSCOhost Science Reference Center
(Available from 1994/05/01.)
ProQuest Agricultural & Environmental Science Database
(Available from 1994/01/01 volume: 114 issue: 1.)
ProQuest Earth, Atmospheric & Aquatic Science Database
(Available from 1994/01/01 volume: 114 issue: 1.)
ProQuest SciTech Premium Collection
(Available from 1994/01/01 volume: 114 issue: 1.)