1. F. DE HOFFMANN, “The Science and Engineering of Nuclear Power,” Vol. II, pp. 116–119. Addison-Wesley, Cambridge, 1949.
2. Emission of Prompt Neutrons from Fission
3. Extension of work reported by B. C. DIVEN, H. C. MABTIN, R. F. TASCHEK, and J. TERRELL, Phys. Rev. 101, 1012–15 (1956).
4. B. B. ROSSI and H. H. STAUB, “Ionization Chambers and Counters,” p. 210, McGraw-Hill, New York.