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平台:
EBSCOhost Academic Search Complete
(Available from 1999/06/01.)
EBSCOhost Environment Complete
(Available from 1999/06/01.)
EBSCOhost OmniFile Full Text Select
(Available from 2001/04/15.)
EBSCOhost STM Source
(Available from 1999/06/01.)
JSTOR Arts and Sciences IX
(Available from 1996/04/01 volume: 1 issue: 1. Most recent 4 year(s) not available.)
Project MUSE Archives
(Available from 2003/10/01.)
ProQuest Agricultural & Environmental Science Database
(Available from 2003/10/01.)
ProQuest Earth, Atmospheric & Aquatic Science Database
(Available from 2003/10/01.)
ProQuest SciTech Premium Collection
(Available from 1999 volume: 4 issue: 1 until 2013 volume: 18 issue: 2.)