Spectrochemical analysis : a treatise on the d-c arc analysis of geological and related materials / by L.H. Ahrens and S.R. Taylor. Ahrens, L. H. (Louis Herman), 1918- Taylor, Stuart Ross, 1925- joint author. Spectrochemical analysis. Spectrum analysis. QD95 .A35 1961 544.6 AHS Includes Index. Includes bibliography. Reading, Mass. : Addison-Wesley Pub. Co. , c1961. c1961. 1961 Text xxiii, 454 p. : eng Addison-Wesley series in the earth sciences