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Preliminary Field Studies on the Use of Additives to Improve Deposition Rate and Efficacy of Commercial Formulation of Bacillus Thuringiensis Applied Against the Spruce Budworm, Choristoneura Fumiferana (Lepidoptera, Tortricidae)

出版	Forest Pest Management Institute, Canadian Forestry Service, Department, of the Environment, 1980
URL	http://books.google.com.hk/books?id=R1FFlDzSX6AC&hl=&source=gbs_api