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  1. Countdown acid rain : future abatement strategies : summary report / report prepared by Air Resources Branch, Ontario Ministry of the Environment.
    By: Ontario. - Ontario. - SENES Consultants Limited.
    Publication info: [Toronto, Ont.] :Queens Printer for Ontario,c1992.
    Contributed by: Ontario Ministry of the Environment (archive.org)
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  2. 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)
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