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平台:
EBSCOhost MLA International Bibliography
(Available from 2016/01/01.)
JSTOR Arts and Sciences VII
(Available from 1955/05/01 volume: 86 issue: 1.)
ProQuest Agricultural & Environmental Science Database
(Available from 1988/01/01 volume: 117 issue: 1 until 2011/10/31 volume: 140 issue: 4.)
ProQuest Biological Science Database
(Available from 1988/01/01 volume: 117 issue: 1 until 2011/10/31 volume: 140 issue: 4.)
ProQuest Earth, Atmospheric & Aquatic Science Database
(Available from 1988/01/01 volume: 117 issue: 1 until 2011/10/31 volume: 140 issue: 4.)
ProQuest Literature Online
(Available from 1988/01/01 volume: 117 issue: 1 until 2011/10/31 volume: 140 issue: 4.)
ProQuest SciTech Premium Collection
(Available from 1988/01/01 volume: 117 issue: 1 until 2011/10/31 volume: 140 issue: 4.)