MLA

Hansbrough, J. R. (John Raymond), 1903-1990, et al. The Significance of the Discolorations In Aircraft Veneers : American Beech. : New Haven, Conn. : United States Dept. of Agriculture, Agricultural Research Administration, Bureau of Plant Industry, Soils, and Agricultural Engineering, Division of Forestt Pathology, in cooperation with the Forest Products Laboratory, Forest Service, Madison, Wisconsin, 1944.