1. K. Lathrop, DTF-IV, A FORTRAN-IV Program for Solving the Multigroup Transport Equation with Anisotropic Scattering, La-3373, LASL (1965).
2. W. Engle, A User's Manual for ANISN. A One-Dimensional Discrete Ordinates Transport Code with Anisotropic Scattering, K-1693, Oak Ridge Gaseous Diffusion Plant (1967).
3. D. L. Broder et al., At. Energ.,36, 391 (1974).
4. D. L. Broder et al., in: Radiation Safety and Shielding of Nuclear Power Plants [in Russian], No. 4, Atomizdat, Moscow (1980), p. 134.
5. B. R. Bergel'son et al., Multigroup Methods of Calculating Neutron Shields [in Russian], Atomizdat, Moscow (1970).