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平台:
ProQuest SciTech Premium Collection
(Available from 1978/01/01 volume: 1 issue: 1 until 2007/12/31 volume: 30 issue: 12.)
ProQuest SciTech Premium Collection
(Available from 1996/01/01 until 1996/12/31. Available from 2002/01/01 until 2002/12/31. Available from 2008/01/01. Available from 1981/04/01 until 1982/12/31.)