Authors: Manion, Paul D.; French, D. W.
Source: Forest Science, Volume 13, Number 1, 1 March 1967, pp. 23-28(6)
Publisher: Society of American Foresters
Document Type: Journal Article
Affiliations: Professor, Dept. of Plant Pathology and Physiology, Inst. of Agric., University of Minnesota, St. Paul
Publication date: March 1, 1967