00410nam a2200157Ia 4500001001000000003000500010008004100015010001100056040000900067100001800076245005000094260004300144300001000187440001500197650004000212Para_3229CHAP220125s1929    xx            000 0 und d  a201691  cCHAP  aHowitt, J. E.  aGrain smuts  /c J. E. Howitt and R. E. Stone  aOntario  :b Department of Agriculture  a18 p.  aBull.; 349  aCereales x Enfermedades por hongos