00438nam a2200145Ia 4500001001000000003000500010008004100015010001100056040000900067110003800076245008900114260003400203300002300237650003200260Para_6452CHAP220125s1974    xx            000 0 und d  a205192  cCHAP  aCIBA-GEIGY. Agricultural Division  aThere's a new way to correct manganese shortage :b and its easier /c by CIBA-GEIGY  aGreensboro, NC :b CIBA GEIGY  a1 hoja desplegable  aManganeso x efecto en soya