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平台:
EBSCOhost Academic Search Complete
(Available from 1997/01/01. Most recent 6 month(s) not available.)
JSTOR Arts and Sciences IV
(Available from 1935/01/01 volume: 1 issue: 1. Most recent 4 year(s) not available.)
Project MUSE Archives
(Available from 2004 volume: 54 issue: 1 until 2013 volume: 63 issue: 4.)