Quantitative spectrochemical analysis of silicates : a scheme of quantitative DC arc analysis of the silicate minerals, rocks, soils, and meteorites / Ahrens, L. H. Ahrens, L. H. (Louis Herman), 1918- Silicates Spectra. Chemistry, Analytic Quantitative. QE389.62 .A35 549.6 AHQ Includes bibliographical references and index London : Pergamon Press, 1954. 1954. 1954 Text 122 p. : eng