1. 1(a) Department of Physics, University of Utah; Office of Naval Research Contract No. N-ONR-1288(03), Project No. NR-032-168, Quarterly Frogress and Technical Reports.
2. (b) J. L. Bates, and Peter Gibbs , "Some Optical Properties of Corundum ," Technical Report No. 5, 1957 ; Armed Services Technical Information Agency Document No. 140406.
3. (c)Quarterly Progress Report No. 1959-1, Fig. 8 (for the period Nov. 15, 1958, to Feb. 15, 1959 ).
4. Thermoluminescence Studies of Aluminum Oxide.