1)https://www.jstage.jst.go.jp/article/sswj/17/0/17_117/_article/-char/ja/ 2)https://www.jstage.jst.go.jp/article/jsr/69/4/69_506/_article/-char/ja/ |
NDL×WaybackMachine×Archive.is > Bot >
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Citations: Cressey 1932=2017
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