Authors: Patterson III, William A.; Aizen, Marcelo A.
Source: Northern Journal of Applied Forestry, Volume 6, Number 4, 1 December 1989, pp. 186-188(3)
Publisher: Society of American Foresters
Document Type: Miscellaneous
Affiliations: Department of Forestry and Wildlife Management, University of Massachusetts, Amherst, MA 01003
Publication date: December 1, 1989