http://pec.lib.wvu.edu/record/P13241970Apple diseases and their control in Virginia.<p> Serial issue. Issued as: Virginia Polytechnic Institute. Cooperative Extension Service. <em>Publication</em>, 374 (1970:May). "This publication was prepared by members of the Fruit Extension and Research group, E. D. Hickey, C. R. Drake and G. M Shear, of the Department of Plant Pathology and Physiology. C. R. Drake coordinated this publication."</p>Virginia Polytechnic Institute. Extension Division. Fruit Extension and Research Group.Apples--Diseases and pests--Control--West Virginia.14256