1. Laser Spectroscopy III,1977
2. Atomic and Laser Spectroscopy;Corney,1977
3. Alpha-, Beta-, and Gamma-Ray Spectroscopy;Siegbahn,1965
4. Statistics of Directional Data;Mardia,1972
5. On Searches for Pulsed Emission with Application to Four Globular Cluster X-Ray Sources: NGC 1851, 6441, 6624, and 6712;Leahy;Astrophysical Journal,1983