1. and Analytical Chemistry of Molybdenum and Tungsten, Pergamon Press, Oxford (1971).
2. Accurate X-ray Fluorescence Analysis Without Internal Standards, Department of Mines, Quebec, Canada, P. R. 327.
3. Sampling error in the chemical analysis of rocks
4. The analysis of slags from primary and secondary copper smelting processes by X-ray fluorescence
5. and The Analysis of Silicate Rocks and Metallurgical Slags by X-ray Spectrometry, Natl. Inst. Metall, Repub. S. Africa, Rept. No. 1599 (1974).