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  1. By: Ontario. Environmental Research Program. - Ontario. Ministry of the Environment. Research and Technology Branch. - Ontario. Ministry of the Environment. Research Management Office.
    Publication info: [Toronto], Ontario, Ministry of the Environment, 1987-
    Holding Institution: Ontario Ministry of the Environment
  2. By: Holder-Franklin, Maxine A. - Ontario. Environmental Research Program. - Ontario. Ministry of Environment and Energy.
    Publication info: Toronto, Ministry of Environment and Energy, 1996
    Holding Institution: Ontario Ministry of the Environment
  3. By: Krantzberg, Gail, - Ontario. Environmental Research Program.
    Publication info: [Toronto, Ont.], Environment Ontario, 1990
    Holding Institution: Ontario Ministry of the Environment