Canadian Forest Service Publications
Annual report of the forest insect and disease survey, 1972: Ontario region. 1973. Sippell, W.L.; Gross, H.L.; Rose, A.H. Pages 54-73. Department of the Environment, Canadian Forestry Service.
Year: 1973
Issued by: Great Lakes Forestry Centre
Catalog ID: 37040
Language: English
Availability: PDF (request by e-mail)