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  1. 1
    Agricultural bacteriology: a study to the relation of germ life to the farm with laboratory experiments for students, microorganisms of soil, fertilizers, sewage, water, dairy products, miscellaneous farm products and of diseases of animals and plants

    Agricultural bacteriology: a study to the relation of germ life to the farm with laboratory experiments for students, microorganisms of soil, fertilizers, sewage, water, dairy prod... per Conn, H.W

    Publicat 1909
    Llibre
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  2. 2
    Bacteriology : a study of microorganisms and their relation to human welfare

    Bacteriology : a study of microorganisms and their relation to human welfare per Conn, H.W

    Publicat 1924
    Llibre
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