Authors: Ek, Alan R.; Droessler, Terry D.
Source: Journal of Forestry, Volume 86, Number 3, 1 March 1988, pp. 39-41(3)
Publisher: Society of American Foresters
Document Type: Journal Article
Affiliations: Research Assistant, College of Forestry, Department of Forest Resources, University of Minnesota St. Paul
Publication date: March 1, 1988