1. G. M. Bancroft, A. G. Maddock, and R. G. Burns, Geochim. Cosmochim. Acta
31:2219 (1967).
2. American Geological Institute, Short Course Lecture Notes;SS Hafner,1968
3. American Geological Institute Short Course Lecture Notes;S Ghose,1968
4. A. S. Marfunin, R. M. Mineeva, A. R. Mkrtchyan, Ya. M. Niussik, and V. E. Fedorov, Isv. Akad. Nauk SSSR, Ser. Geol., 10:86 (1967).
5. S. Ghose and S. Hafner, Z. Krist.
125:1 (1967).