Canadian Forest Service Publications
The relationship of the spruce budworm (Choristoneura fumiferana (Clem.)) to the flowering condition of balsam fir (Abies balsamea (L.) Mill.) 1952. Blais, J.R. Can. J. Zool. 30: 1-29.
Available from: Great Lakes Forestry Centre
Catalog ID: 14885
CFS Availability: PDF (request by e-mail)
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