00490nam a2200169Ia 4500001001000000003000500010008004100015010001100056040000900067082001700076100002500093245011400118260003400232300001100266650002000277700002300297Para_9602CHAP220125s1997    xx            000 0 und d  a208273  cCHAP  aPA 632.3 S56  aShurtleff, Malcom C.  aThe plant disease clinic and field diagnosis of abiotic diseases  /c Malcom M. Shurtleff y Charles W. Averre  aSt. Paul, Minn. :b APS Press  a245 p.  aFitopatología  aAverre, Charles W.