1. A. Weinberg and E. Wigner, Physical Theory of Neutron Chain Reactors [Russian translation], Izd-vo Inostr. Lit., Moscow (1961).
2. G. I. Marchuk, Methods of Nuclear Reactor Design [in Russian], Atomizdat, Moscow (1961).
3. L. N. Usachev, in: Reactor Design and Theory of Reactors [in Russian], Izd-vo AN SSSR, Moscow (1955), p. 251.
4. G. Keepin, Physical Foundations of Nuclear Reactor Kinetics [Russian translation], Atomizdat, Moscow (1967).
5. Pulsed Neutron Research, Vol. II, IAEA, Vienna (1965), p. 3.