Authors: Burk, Thomas E.; Hans, Richard P.; Wharton, Eric H.
Source: Northern Journal of Applied Forestry, Volume 6, Number 1, 1 March 1989, pp. 27-31(5)
Publisher: Society of American Foresters
Document Type: Journal Article
Affiliations: USDA Forest Service, Northeastern Forest Experiment Station, 370 Reed Rd., Broomall, PA 19008
Publication date: March 1, 1989