Authors: Brooks, Robert T.; Birch, Thomas W.
Source: Northern Journal of Applied Forestry, Volume 3, Number 3, 1 September 1986, pp. 109-113(5)
Publisher: Society of American Foresters
Document Type: Journal Article
Affiliations: Northeastern Forest Experiment Station, USDA Forest Service, 370 Reed Road, Broomall, PA 19008
Publication date: September 1, 1986