Authors: Parker, Johnson; Houston, David R.
Source: Forest Science, Volume 17, Number 1, 1 March 1971, pp. 91-95(5)
Publisher: Society of American Foresters
Document Type: Journal Article
Affiliations: Plant Pathologist, Forest Insect and Disease Lab., Northeastern Forest Exp. Sta., USDA Forest Service, Hamden, Conn.
Publication date: March 1, 1971