00494nam a2200181Ia 4500001001000000003000500010008004100015010001100056040000900067082002300076100001700099245005400116250000600170260006000176300001000236650002800246710003800274Para_2174CHAP220125s1997    xx            000 0 und d  a198759  cCHAP  aPA 633.16 M38 1997  aMathre, D.E.  aCompendium of barley diseases  /c by D.E. Mathre  a2  aSt. Paul, Minn.  :b American Phytopathological Society  a90 p.  aCebolla x enfermedades  aAmecian Phytopathological Society