Canadian Forest Service Publications
Annual report of the forest insect and disease survey, 1974: Ontario region. 1975. Sippell, W.L.; Rose, A.H.; Gross, H.L. Department of the Environment, Canadian Forestry Service. Pages 57-74.
Available from: Great Lakes Forestry Centre
Catalog ID: 37042
CFS Availability: PDF (request by e-mail)
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