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  1. 40308091070
    Author(s):Scheidt, V. P.
    Title:*Revision and further application of the Nela test for color blindness.
    Subject(s):Color blindness Tests
    Place of Publication:Balt.
    Date of Publication:1936
    Type of Resource:Dissertation
    Series/Volume/Page:Series 4/Volume 3/Page 809