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平台:
DOAJ Directory of Open Access Journals
(Available from 2004.)
EBSCOhost Energy & Power Source
(Available from 2005/01/01.)
EBSCOhost Environment Complete
(Available from 2005/01/01.)
ProQuest Agricultural & Environmental Science Database
(Available from 2010/06/01 volume: 7 issue: 6.)
ProQuest Biological Science Database
(Available from 2010/06/01 volume: 7 issue: 6.)
ProQuest Earth, Atmospheric & Aquatic Science Database
(Available from 2010/06/01 volume: 7 issue: 6.)
ProQuest SciTech Premium Collection
(Available from 2010/06/01 volume: 7 issue: 6.)