Canadian Forest Service Publications
Annual report of the forest insect and disease survey: Ontario region. 1968. Sippell, W.L.; Gross, H.L.; Rose, A.H. Canada Department of Fisheries and Forestry, Forestry Branch. p 53-78.
Year: 1968
Issued by: Great Lakes Forestry Centre
Catalog ID: 37033
Language: English
Availability: PDF (request by e-mail)