00790nam a22002417a 4500003000500000005001700005008004100022010001000063011001000073035001000083040000900093082001500102100002500117245003900142260005600181300002000237490009200257650002100349650003500370650002700405650002400432830009200456CHAP20220817042733.0971013s1963            r     00010     d  a53985  a54957  a59109  cCHAP  a632.8bP6800aPosnette, A. F.eed.  aVirus diseases of apples and pears  aEngland :bCommonwealth Agricultural Bureaux,c1963  a141 p.b: ilus.  aCommonwealth Bureau of Horticulture and Plantation Crops. technical communicationv; 3014aFitopatología.14aFrutaxEnfermedades por virus.14aManzanaxEnfermedades.14aPeraxEnfermedades.0 aCommonwealth Bureau of Horticulture and Plantation Crops. technical communicationv; 30