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  1. Phytotoxicology background sampling in the city of Windsor: 1972-1986 / report prepared by R. G. Pearson.
    By: Pearson, R. G. - Ontario.
    Publication info: [Toronto] :Phytotoxicology Section, Air Resources Branch,1990.
    Contributed by: Ontario Ministry of the Environment (archive.org)
    Subjects: Ontario  Phytotoxins  Plant diseases  Soils  Trace element content  Windsor  
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