1. A New Derivation of the Integro-differential Equations for Chandrasekhar's X and Y Functions;Bellman,1964
2. Analytical and Computational Techniques for Multiple Scattering in Inhomogeneous Finite Slabs;Bellman,1965
3. Invariant imbedding and the computation of internal fields for transport processes
4. Radiative Transfer;Chandrasekhar,1950
5. The Mathematics of Radiative Transfer;Busbridge,1960