00585nam a2200169Ia 4500001000900000003000500009008004100014010001100055040000900066082001900075100002700094245011400121260009500235300001100330650003900341650003500380Para_516CHAP220125s1989    xx            000 0 und d  a199271  cCHAP  aPA 634.1198 F7  aFridlund, Paul R., ed.  aVirus and viruslike diseases of pome fruits and simulating noninfectious disorders /c ed. by Paul R. Fidlund  aWashington, D.C. :b College of Agriculture and Home Economics Washington State University  a330 p.  aManzana x enfermedades por virus   aPera x enfermedades por virus