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Revision and further application of the Nela test for color blindness

Thesis (Ph. D.)--Johns Hopkins university, 1933. / Vita. Bibliography: p. 43-46.

Identiferoai:union.ndltd.org:OCLC/oai:xtcat.oclc.org:OCLCNo/647077732
Date January 1936
CreatorsScheidt, Vernon Philip,
PublisherBaltimore, Md.,
Source SetsOCLC
LanguageEnglish
Detected LanguageEnglish

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