Canadian Forest Service Publications
Effects of nuclear polyhedrosis virus and Bacillus thuringiensis on western spruce budworm (Leoudiotera: tortricidae) 1 and 2 years after aerial application. 1982. Shepherd, R.F.; Gray, T.G.; Cunningham, J.C. Canadian Entomologist 114:281-282.
Issued by: Great Lakes Forestry Centre
Catalog ID: 36322
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