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平台:
EBSCOhost Academic Search Complete
(Available from 1998/01/01. Most recent 1 year(s) not available.)
EBSCOhost STM Source
(Available from 1998/01/01. Most recent 1 year(s) not available.)
SpringerLink Journals - AutoHoldings
(Available from 2016/01/01 volume: 25 issue: 1 until 2017/12/01 volume: 26 issue: 12. Available from 1992/01/01 volume: 1 issue: 1 until 1996/12/01 volume: 5 issue: 4.)
SpringerLink Online Journals Archive
(Available from 1992 until 1996.)
SpringerLink Online Journals Archive (HUSO)
(Available from 1992 until 1996.)