1. M. Born, E. Wolf, Principles of Optics, 4th edn. (Pergamon Press, New York, 1970)
2. G.G. Stokes, Trans. Cambr. Phil. Soc. 9 (1852) 399. Reprinted in: Mathematical and Physical Papers, Vol. III, Cambridge University Press 1901, p. 233
3. E.B. Brown, Modern Optics (Reinhold Publication Corp, New York, 1965)
4. K. Blum, Density Matrix Theory and Applications, 3rd edn. (Springer, New York, 2012)
5. J. Kessler, Polarized Electrons, 2nd edn. (Springer, Heidelberg, 1985)