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The Witmer cylinder test

Thesis (Ph. D.)--University of Pennsylvania, 1918. / Bibliography: p. 54.

Identiferoai:union.ndltd.org:OCLC/oai:xtcat.oclc.org:OCLCNo/260318487
Date January 1918
CreatorsPaschal, Franklin Cressey,
PublisherHershey, Pa., Hershey Press,
Source SetsOCLC
LanguageEnglish
Detected LanguageEnglish

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