1. Neutron transport;Davison,1957
2. Chandrasekher S, Radiative transfer. London: Oxford University Press, 1950 and New York: Dover, 1960.
3. Mathematical methods in particle transport theory;Williams,1971
4. Light scattering in planetary atmospheres;Sobolev,1973
5. The use of the itFN method for radiative transfer problems with reflective boundary conditions