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By: Stephenson, Gladys L. (Gladys Lorraine), - Kaushik, N. K. - Ontario. Ministry of the Environment.Edition:Publication info: [Toronto], Queen's Printer for Ontario, c1991Volume:Series:Holding Institution: Ontario Ministry of the EnvironmentSubjects: Aquatic animals Effect of water pollution on Environmental aspects Pentachlorophenol ToxicologyBHL Collections: