00535nam a2200181Ia 4500001001000000003000500010008004100015010001100056040000900067082001700076100002500093245008300118260003400201300001100235650002800246650004000274710003900314Para_5637CHAP220125s1996    xx            000 0 und d  a203617  cCHAP  aPA 634.11 M3  aMacHardy, William E.  aApple scab :b biology, epidemiology and management /c by William E. MacHardy  aSt. Paul, Minn. :b APS Press  a545 p.  aManzana x enfermedades  aManzana x enfermedades por hongos   aAmerican Phytopathological Society