Author: Wickman, Boyd E.
Source: Journal of Forestry, Volume 78, Number 1, 1 January 1980, pp. 31-33(3)
Publisher: Society of American Foresters
Document Type: Journal Article
Affiliations: Supervisory Research Entomologist at the Pacific Northwest Forest and Range Experiment Station, USDA Forest Service, Portland, Oregon
Publication date: January 1, 1980