1. Isotopio geochemistry of sulfur;Ault,1957
2. Isotopic geochemistry of sulfur;Ault;Geochim. et Cosmochim. Acta,1959
3. Magmas;Bowen;Bull. Geol. Soc. Amer.,1947
4. Igneous rocks and the depths of the earth;Daly,1933
5. Nature of the asthenosphere;Daly;Bull. Geol. Soc. Amer.,1946