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  1. Miscellaneous studies in agriculture and biology.
    By: University of California (1868-1952) - Bioletti, Frederic T. - Cruess, W. V. - Davi, Horace Denan, - Frost, Howard Brett, - McEwen, George Francis. - Swain, Albert Free,
    Publication info: Berkeley,University of California Press,1919.
    Contributed by: Library of Congress
    Subjects: Aphids  Grapes  Matthiola  Ocean temperature  Plants  Variation  
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  2. Mutation in Matthiola,
    By: Frost, Howard Brett,
    Publication info: Berkeley,University of California press,1919.
    Contributed by: University of California, Davis Libraries (archive.org)
    Subjects: Matthiola  Plants  Variation  
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