Kado Clarence I Ed. Principles and techniques in plant virology Kado Clarence I Ed.; Agrawal Hari O Ed. - New York Van Nostrand Reinhold 1972 - xv, 688p. cm. Standard No.: 49868 Source: Textual Subjects--Topical Terms: Plant virology VirologyBotany Dewey Class. No.: I:423, L2