1. Amaldi, E.: Loc. cit., especially §. 112–123.
2. Case, K. M., F. De Hoffmann, and G. Placzek: Introduction to the Theory of Neutron Diffusion, vol. I. Los Alamos, N. M.: Los Alamos Scientific Laboratory 1953.
3. Davison, B.: Neutron Transport Theory. Oxford: Clarendon Press 1957.
4. Salmon, J., et al.: Théorie Cinétique de Neutrons Rapides. Paris: Presses Universitaires de France 1961.
5. Weinberg, A. M., and E. P. Wigner: The Physical Theory of Neutron Chain Reactors. Chicago: Chicago University Press 1958, especially Chap. Ix, Transport Theory and Diffusion of Monoenergetic Neutrons.