1. The use of ionization potentials;Ahrens;Geochim. et Cosmochim. Acta,1953
2. The lognormal distribution of the elements;Ahbens;Geochim. et Cosmochim. Acta,1954
3. The significance of the chemical bond for controlling the geochemical distribution of the elements;Ahrens;Progr. Phys. Chem. Earth,1964
4. Association of Rb and K, and their abundance in common igneous rocks and meteorites;Ahrens;Geochim. et Cosmochim. Acta,1952
5. Ionization potentials and the chemical bonding of simple inorganic crystalline compounds—II;Ahrens;J. Inorg. Nucl. Chem.,1956