sponsored by the Swedish University of Agricultural Sciences, Faculty of Forestry with the assistance of School of Agriculture and Land Resources Management, University of Alaska, August 25-29, 1980, UmeƄ, Sweden ; edited by Mayo Murray
edited by Mayo Murray ; sponsored by the School of Agriculture and Land Resources, University of Alaska - Fairbanks in cooperation with the Division of Forestry, state of Alaska and the Alaska State Society of American Foresters