1. Adams and CokerCarnegie Inst. Wash. Pub., 1906, No.46, 69.
2. — and GibsonGerl. Beitr., 1931, Bd.15, 241–50.
3. Adams and Gibson Papers fromGeophy. Lab. Carnegie Inst. Wash., 1931, No. 770.
4. — and WilliamsonJour. Franklin Inst., 1923,195, 475–579.
5. Bhagavantam and BhimasenacharProc. Ind. Acad. Sci., 1944,20, 298.