1. M. Born and E. Wolf, Principles of Optics, 5th edition, ( Pergamon Press, New York, 1975 ), Chapter X.
2. M. Francon and S. Mallick, Polarization Interferometers, (Wiley Interscience, London, 1971) Chapter 9. See also Progress in Optics, Vol. VI, editor E. Wolf ( North-Holland Pub., Amsterdam, 1967 ) p. 73.
3. D. Kohler and L. Mandel, J. Opt. Soc. Am. 63, 126 (1973).
4. D. Dialetis and C. L. Mehta, Nuovo Cimento 563, 89 (1968).
5. For a similar concept, see for example, G. K. Batchelor, The Theory of Homogeneous Turbulence, (Cambridge Union Press, 1953 ).