Authors: Ek, Alan R.; Burk, Thomas E.
Source: Northern Journal of Applied Forestry, Volume 3, Number 4, 1 December 1986, pp. 133-134(2)
Publisher: Society of American Foresters
Document Type: Miscellaneous
Affiliations: Department of Forest Resources College of Forestry University of Minnesota St. Paul, MN 55108
Publication date: December 1, 1986