Search Results - de Groot, Sybil

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    Factors in night vision sensitivity. by de Groot, Sybil, Dodge, Jane M., Smith, JoAnn

    Published 1953
    Government Document Book

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  2. 2
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    Factors in night vision sensitivity : the effect of brightness / by de Groot, Sybil, Dodge, Jane M., Smith, Jo Ann

    Published 1952
    Government Document Book

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