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平台:
EBSCOhost Academic Search Complete
(Available from 1998/04/01. Most recent 1 year(s) not available.)
JSTOR Arts and Sciences VIII
(Available from 1903/10/01 volume: 1 issue: 1. Most recent 6 year(s) not available.)
Project MUSE Archives
(Available from 2006 volume: 85 issue: 1 until 2008 volume: 87 issue: 2.)