Authors: Ek, Alan R.; Rose, Dietmar W.; Gregersen, Hans M.
Source: Northern Journal of Applied Forestry, Volume 1, Number 4, 1 December 1984, pp. 76-79(4)
Publisher: Society of American Foresters
Document Type: Journal Article
Affiliations: Department of Forest Resources, College of Forestry, University of Minnesota, St. Paul, MN 55108
Publication date: December 1, 1984