1. M. Nakamura (Lawrence Radiation Laboratory), private communication,1964.
2. A.Multiparameter Pulse-Height Recording System;Nakamura,1964
3. Formerly with Lawrence Radiation Laboratory, now with Hewlett-Packard Company, Palo Alto, California.
4. Junction Transistor Electronics;Hurley,1958
5. Ray Spectra from Spontaneous Fission of Cf252;Bowman;Phys. Rev. Letters,1964