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Mental fatigue

Also published as Thesis (Ph. D.)--Columbia University, 1912. / Includes bibliographical references.

Identiferoai:union.ndltd.org:OCLC/oai:xtcat.oclc.org:OCLCNo/609225571
Date January 1912
CreatorsArai, Tsuru,
PublisherNew York city, Teachers college, Columbia University,
Source SetsOCLC
LanguageEnglish
Detected LanguageEnglish

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