Keith, Lawrence H., 1938- , ed. Compilation of EPA's : sampling and analysis methods - 2a. Ed. - Boca Ratón, Estados Unidos Lewis Publishers 1996 - 1696 p. 29 cm ISBN: 1-56670-170-8 Subjects--Topical Terms: CONTAMINANTES - ANALISIS Dewey Class. No.: 628.161/K269c/1996