00526nam a2200181Ia 4500001001000000003000500010008004100015010001100056040000900067082001800076111007300094245005100167260001900218300001100237650002900248650003500277650003200312Para_7501CHAP220125s1979    xx            000 0 und d  a206389  cCHAP  aPA 632.58 M44  aMeeting of the Weed Science Society of America (1971: Dallas, Texas)  aAbstracts  /c Weed Science Society of America  as.l.  :b s.e.  a119 p.  aHerbicidas x congresos   aHerbicidas x Efecto en suelos  aMalas hierbas x congresos