1. Topsy, A Remotely Controlled Critical Assembly Machine
2. Prompt Neutron Periods of Metal Critical Assemblies
3. J. CODD, L. R. SHEPHERD, H. TAIT, “Progress in Nuclear Energy,” Vol. 1, p. 251 (Pergamon Press, New York, 1956).
4. J. M. BLATT AND V. F. WEISSKOPF, “Theoretical Nuclear Physics,” Chap. XIV, (John Wiley and Sons, New York, 1952).