1. Co-existing pyroxenes in igneous and metamorphic rocks;Bartholomé;Geol. Mag.,1961
2. Iron-magnesium ratio in associated pyroxenes and olivines;Bartholomé,1962
3. The system enstatite-pyrope;Boyd;Carnegie Inst. Wash. Yearb.,1964
4. Ultramafic rocks;Boyd;Carnegie Inst. Wash. Yearb.,1964
5. Reconnaissance studies of gneisses, ultrabasites, eclogites and anorthosites in Outer Nordfjord, Western Norway;Bryhni;Norges Geol. Undersök.,1966