Canadian Forest Service Publications
Two-year-cycle Spruce Budworm in the Prince George and Quesnel Forest Districts. 1992. Ferris, R.L.; Erickson, R.D. Forestry Canada, Pacific Forestry Centre, Victoria, BC. FIDS Pest Report 92-17 (June 1992).
Year: 1992
Issued by: Pacific Forestry Centre
Catalog ID: 34144
Language: English
Series: FIDS Report (CFS)
Availability: PDF (download)