Canadian Forest Service Publications
Quantification of Douglas-fir growth losses caused by western spruce budworm defoliation using stem analysis. 1984. Alfaro, R.I.; Thomson, A.J.; van Sickle, G.A. Canadian Journal of Forest Research 15(2): 5-9.
Available from: Pacific Forestry Centre
Catalog ID: 2450
CFS Availability: Order paper copy (free)
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