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  1. By: Oguma, Kan
    Type: Article
    In: The journal of the College of Agriculture, Tohoku Imperial University, Sapporo, Japan = Tohoku Teikoku Daigaku Noka Daigaku kiyo
    Volume: 5
    Date: 1913
    Page Range: 149--163
    Publication Info: Sapporo, Japan, The University, 1908-1917