Batley, Graeme E. Trace element speciation: analytical methods and problems - Boca Raton, Florida CRC Press 1989 - 350 p. ilus. ISBN: 849347122 Subjects--Topical Terms: AGUAANALISIS QUIMICOELEMENTOS TRAZAESPECIACIONFRACCIONAMIENTO QUIMICOGEOQUÍMICA Universal Decimal Class. No.: 543.31/B25