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  1. Os insectas damninhos na agricultura /
    By: Bondar, Gregório Gregorievitch,
    Publication info: S. Paulo :Secretaria de agricultura, industria, e commercio,[1913]
    Contributed by: Smithsonian Libraries
    BHL Collections: Smithsonian Libraries
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  2. New palms of Bahia, by Gregorio Bondar.
    By: Bondar, Gregório Gregorievitch,
    Publication info: Chicago,1942
    Contributed by: University of Illinois Urbana Champaign
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