1. Fortran Program for X-ray Fluorescence Analysis personal communication from L. S. Birks.
2. State Technical Services Symposium on Applications of Instrumental Methods of Analysis to the Florida Mineral Industries, Florida Southern College, Lakeland, Florida, December 1966.
3. et al., X-ray Absorption and Emission in Analytical Chemistry, John Wiley and Sons, New York, 1960.
4. personal communication, 1966.
5. The Electron Microprobe, Proceedings of the Symposium sponsored by the Electrochemical Society, October 1964, p. 296.