00417cam a2200169   450000500170000024500420001702000150005910000570007404400130013125000090014404100080015330000230016150000050018483000050018926000340019408200190022820260711133912.0  aAnálisis Elemental de Estructurasb  a9684512996  aNorris, Charles HeadWilbur, John Benson. Unku, Senol  aMéxico  a2ª   aspa  a744 p. il.; 23 cm.  a  v  aMéxico bMc Graw Hillc1985  a624.171bN854a