Authors: Roberts, Bruce R.; Main, Harold V.
Source: Journal of Forestry, Volume 63, Number 3, 1 March 1965, pp. 180-181(2)
Publisher: Society of American Foresters
Document Type: Journal Article
Affiliations: Staff of the Agric. Research Service, Crops Research Division, Shade Tree and Ornamental Plants Laboratory, U.S. Dept. Agric., Delaware, Ohio
Publication date: March 1, 1965