na INLIS000000000000072 20210430103204 210430||||||||| | ||| |||| || | 0870553364 010-0421000072 id 632 632 NYV f Nyvall, Robert F. Field crop diseases handbook Cet. 1 Westport, Conn. The Avi Publishing Company 1979 xxviii, 436 hlm.: ill.; 26 cm. HAMA