1. H. Kenneth et al., in: Proceedings of American Nuclear Scientific National Topical Meeting on Neutron Sources and Applications, Conf.-71 0402, April 19?21, 1971, Vol. 2, Georgia (1971), p. 190.
2. Dzh. Kipin, Physical Principles of Nuclear-Reactor Kinetics [in Russian], Atomizdat, Moscow (1967).
3. W. Hogan, Nucl. Sci. Eng.,8, 518 (1960).
4. F. Jankowski et al., Nucl. Sci. Eng.,2, 288 (1957).
5. I. I. Bondarenko et al., Third Geneva Conference, USSR Paper No. 362 [in Russian] (1964).