00557nam a2200217 a 450000100080000000500110000800800410001902200140006010000230007424500620009726000250015930000100018449000420019465000120023665000110024865000100025970000170026970000160028670000200030270000170032218141302019-06-18       1977    bl uuuu      00u1 u    #d  a0304-54981 aCHRISTENSEN, C. M.  aManual de campobenfermedades y plagas comunes del trigo.  aMexico: CIMMYTc1977  a69 p.  a(CIMMYT. Folleto de Informacion, 29).  aDoença  aInseto  aPraga1 aDUBIN, H. J.1 aFUENTES, S.1 aPRESCOTT, J. M.1 aSAARI, E. E.