1. Spectrochemical Analysis;Ahrens,1961
2. Method for the quantitative spectrochemical analysis of rocks, minerals, ores and other materials by a powder D/1bC arc technique;Bastron;U.S. Geol. Surv., Bull.,1960
3. A Statistical Manual for Chemists;Bauer,1971
4. Spectrochemical Excitation;Boumans,1966
5. Introduction to Statistical Analysis;Dixon,1957