1. Quantitative Spectrochemical Analysis of Silicates;Ahrens,1954
2. Second report on a cooperative investigation of the composition of two silicate rocks. Part 4. Report on trace constituents in granite G-1 and diabase W-1;Ahrens;Bull. U.S. Geol. Surv. No. 1113,1960
3. Characteristics of the ashes from Australian coals;Brown;C.S.I.R.O. Div. Coal Res. Tech. Commun.,1959
4. The colorimetric and polarographic determination of some trace elements in the standard rocks G-1 and W-1;Carmichael;Geochim. et Cosmochim. Acta,1961
5. The geochemistry of cobalt;Carr;Geochim. et Cosmochim. Acta,1961