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Please read BHL's Acknowledgment of Harmful Content
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  1. By: Ontario. Phytotoxicology Section.
    Publication info: [Toronto], The Section, 1991
    Holding Institution: Ontario Ministry of the Environment
  2. By: Beak Consultants. - Ontario. Phytotoxicology Section.
    Publication info: Brampton, Ont, The Section, 1993
    Holding Institution: Ontario Ministry of the Environment
  3. By: Kinch, James Craig, - Ontario. Phytotoxicology Section.
    Publication info: [Toronto], Phytotoxicology Section, Ontario Ministry of Environment and Energy, 1993
    Holding Institution: Ontario Ministry of the Environment
  4. By: McIlveen, W. D. - Ontario. Phytotoxicology Section.
    Publication info: [Toronto], Phytotoxicology Section, Ontario Ministry of Environment and Energy, 1993
    Holding Institution: Ontario Ministry of the Environment