1. L. N. Usachev, “Neutron-value equation, reactor kinetics, and perturbation theory,” in: Int. Conf. on World Use of Atomic Energy, Gosénergoizdat, Moscow (1958), p. 598.
2. V. V. Orlov, “On value functions in perturbation theory for calculating reactor characteristics,” in: Problems of the Physics of Nuclear Reactors. Proc. of the Physics and Power Engineering Institute, Obninsk (1968), No. 1, p. 38.
3. L. N. Usachev and Yu. G. Bobkov, Perturbation Theory and Planning Experiments in the Problem of Nuclear Data for Reactors, Atomizdat, Moscow (1980).
4. V. P. Mashkovich (ed.), Errors of Radiation Shielding Calculations, Énergoatomizdat, Moscow (1983).
5. “Industry system of standard (estimated) data on physical constants and on the properties of substances and materials in nuclear science, engineering, and technology,” Atomic Strategy for the 21st Century, July, 2006, pp. 10–15.