1. Spectroscopic investigation of Zn blende for Ge, In, Cd, Ga;Abramov;Soviet Geol.,1938
2. Quantitative spectrochemical examination of the minor elements in pollucite;Ahrens;Amer. Mineral.,1945
3. The geochemical relationship between Tl and Rb in minerals of igneous origin;Ahrens;Trans. Geol. Soc. S. Africa,1945
4. Analyses of the minor constituents in pollucite;Ahrens;Amer. Mineral.,1947
5. The abundance of Tl in the earth's crust;Ahrens;Science,1947