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Authors: Irving, F. D.; French, D. W.
Source: Journal of Forestry, Volume 69, Number 1, 1 January 1971, pp. 28-30(3)
Publisher: Society of American Foresters
Document Type: Journal Article
Affiliations: Professor, Sch. of Forestry and Dep. of Plant Pathology., Univ. of Minnesota, St. Paul
Publication date: January 1, 1971