Canadian Forest Service Publications
Evaluation of the tree-beating method for sampling defoliation forest insects. 1972. Harris, J.W.E.; Collis, D.G.; Magar, K.M. The Canadian Entomologist 104: 723-729.
Issued by: Pacific Forestry Centre
Catalog ID: 29205
Available from the Journal's Web site. †
† This site may require a fee