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平台:
Elsevier SD Journals - AutoHoldings
(Available from 1977/02/01 volume: 1 issue: 1.)
Elsevier SDOL (ScienceDirect Online)
(Available from 1995.)
Elsevier SDOL Backfile Complete
(Available from 1977/02/01 volume: 1 issue: 1 until 1994/12/31 volume: 42 issue: 3.)