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平台:
EBSCOhost Academic Search Complete
(Available from 1995/09/01.)
EBSCOhost OmniFile Full Text Select
(Available from 1995/09/01.)
EBSCOhost Science Reference Center
(Available from 1995/09/01.)
ProQuest SciTech Premium Collection
(Available from 1998/01/01 volume: 6 issue: 3.)