1. Speculations on the earth's thermal history;Birch;Bull, Geol. Soc. Am.,1965
2. The Evolution of the Igneous Rocks;Bowen,1928
3. The system MgO-SiO2-H2O;Bowen;Bull. Geol. Soc. Am.,1949
4. Some effects of pressure on phase relations in the system MgO-Al2O3-SiO2;Boyd;Y.B. Carnegie Inst. Wash.,1963
5. The interior of the earth;Bullard,1956