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Revision and further application of the Nelda test for color blindness

Thesis (Ph. D.)--John Hopkins University, 1933. / Vita. Includes bibliographical references (p. 43-46).

Identiferoai:union.ndltd.org:OCLC/oai:xtcat.oclc.org:OCLCNo/561849468
Date January 1936
CreatorsScheidt, Vernon Philip,
PublisherBaltimore : Johns Hopkins University,
Source SetsOCLC
LanguageEnglish
Detected LanguageEnglish

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