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平台:
ProQuest Earth, Atmospheric & Aquatic Science Database
(Available from 2004/01/01 until 2004/12/31. Available from 2006/01/01 until 2015/01/31.)
ProQuest SciTech Premium Collection
(Available from 2004/01/01 until 2004/12/31. Available from 2006/01/01 until 2015/01/31.)