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Aerial Application of Virus-Insecticide Combinations Against Spruce Budworm Choristoneura Fumiferana (Clem)(Tortricidae: Lepidoptera) at Rankin, Ontario, 1972

Canadian Forestry Service. Chemical Control Research Institute, OttawaO. N. MorrisJ. A. ArmstrongJ. C. CunninghamG. M. HowseM. J. HildebrandA. A. HarndenJ. R. McPhee

出版	Chemical Control Research Institute, 1972
URL	http://books.google.com.hk/books?id=-nyLuAAACAAJ&hl=&source=gbs_api