TY - BOOK AU - Kado,Clarence I. AU - Agrawal,Hari O. TI - Principles and techniques in plant virology U1 - 581.2 PY - 1972///] CY - New York PB - Reinhold KW - Plant viruses KW - Plant diseases KW - Virology KW - Laboratory methods N1 - Includes bibliographical references (p. 595-672) ER -