00364nam a2200157 a 450000100080000000500110000800800410001910000170006024500340007726000250011130000080013665000140014465300180015870000150017670000150019115606801997-04-15               bl uuuu     u0uu1 u    #d1 aCARDENAS, J.  aClassificacion de herbicidas.  aBogota: ICA, s.d.c0  a33p  aHerbicida  aClassificacao1 aFRANCO, O.1 aROMERO, C.