Canadian Forest Service Publications
Have you a balsam woolly aphid infestation. 1968. Phelps, V.H. Government of Canada, Department of Forestry and Rural Development, Forest Research Laboratory, Victoria, BC. Timber Talks No. 41. 1 p.
Issued by: Pacific Forestry Centre
Catalog ID: 27892
Series: Timber Talks (PFC - Victoria)
Availability: PDF (download)