1. Mie theory for light scattering by a spherical particle in an absorbing medium
2. Bohren, C.F., and Huffman, D.R., [Absorption and Scattering of Light by Small Particles], John Wiley and Sons, Inc., New York, 130-136, (1998).
3. Van de Hulst, H.C., [Light Scattering by Small Particles], Dover Publications, New York, Chap. 6 and 7, (1981).
4. Chandrasekhar, S., [Radiative Transfer], Dover Publications, New York, 233-265, (1960).