1. Spectrochemical Analysis;Ahrens,1950
2. Quantitative Spectrochemical Analysis of Silicates;Ahrens,1954
3. Precision and accuracy of chemical analysis of silicate rocks;Fairbairn;Geochim. et Cosmochim. Acta,1953
4. Wavelength Tables;Harrison,1939
5. Tables of Spectrum Lines;Saidel,1955