1. L’interprétation pétrogénétique des associations d’olivine et d’orthopyroxéne;Bartholomé;Annales Soc. Géol. Belgique,1960
2. The system MgO-FeO-SiO2;Bowen;Am. Jour. Sci., 5th ser.,1935
3. Pyroxenes from the early and middle stages of fractionation of the Skaer-gaard intrusions, East Greenland;Brown;Mineralog. Mag.,1957
4. The effect of ion substitution on the unit cell dimensions of the common clinopyroxenes;Brown;Am. Mineralogist,1960
5. Some hypersthenes from southeastern Pennsylvania and Delaware;Clavan;Am. Mineralogist,1954