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平台:
EBSCOhost Environment Complete
(Available from 2008/01/01.)
EBSCOhost OmniFile Full Text Select
(Available from 2012/01/01.)
EBSCOhost Science Reference Center
(Available from 2008/01/01.)
JSTOR Arts and Sciences X
(Available from 1985/01/03 volume: 1 issue: 1. Most recent 4 year(s) not available.)
ProQuest Agricultural & Environmental Science Database
(Available from 2007/07/01.)
ProQuest Earth, Atmospheric & Aquatic Science Database
(Available from 2007/07/01.)
ProQuest SciTech Premium Collection
(Available from 2007/07/01.)