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Authors: Skok, Richard A.; Gregersen, Hans M.
Source: Journal of Forestry, Volume 73, Number 4, 1 April 1975, pp. 202-205(4)
Publisher: Society of American Foresters
Document Type: Journal Article
Affiliations: Associate Professor, College of Forestry, University of Minnesota, St. Paul.
Publication date: April 1, 1975