Canadian Forest Service Publications
Eastern and two-year-cycle spruce budworms in Spruce fir forests in the Prince George Forest Region. 1990. Turnquist, R.; Ferris, R.L. Forestry Canada, Pacific Forestry Centre, Victoria, BC. FIDS Pest Report September, 1990.
Available from: Pacific Forestry Centre
Catalog ID: 31013
Series: FIDS Report (CFS)
CFS Availability: PDF (download)
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