Authors: Herman, David A.; Valentine, Harry T.
Source: Northern Journal of Applied Forestry, Volume 10, Number 3, 1 September 1993, pp. 137-139(3)
Publisher: Society of American Foresters
Document Type: Miscellaneous
Affiliations: USDA Forest Service, Louis C. Wyman Forestry Sciences Laboratory, P.O. Box 640, Durham, NH 03824-0640
Publication date: September 1, 1993