1. The Influence of Extraneous Elements upon the Intensity Ratio of Line Pairs Used in Quantitative Analysis. II;Brode;Proc. 7th Summer Conf. Spectrosc.,1940
2. The Influence of Extraneous Elements on Line Intensity. III. The Effect of Anions;Brode;J. Opt. Soc. Amer.,1941
3. Influence of Impurities on Line Strength in Quantitative Analysis;Brode;Proc. 6th Summer Conf. Spectres.,1939
4. The Spectrographic Determination of Trace Elements in Soils. II. The Variable Internal Standard Method Applied to the Determination of Chromium in the Cathode Layer Arc;Davidson;J. Soc. Chem. Ind.,1940
5. On the Spectrochemical Determination of Vanadium in Iron Ores and Slags;Kvalheim;Norsk. geol. tidssk.,1941