Virology in agriculture : invited papers presented at a symposium held May 10-12, 1976, at the Beltsville Agricultural Research Center (BARC), Beltsville, Maryland 20705
organized by the BARC Science Seminar Committee, T.O. Diener, Chairman ; sponsored by the Beltsville Agricultural Research Center, Northeastern Region, Agricultural Research Service, United States Department of Agriculture ; [general editor John A. Romberger, associate editors James D. Anderson, Rex L. Powell]
