L. J. Porcello, et al., Principles of Imaging Radar, University of Michigan, 1970, Chapter 12.
N. Brousseavi,Applied Optics,18 (1979), 15.
E. B. Felstead, AD-A071358 (1979).
J. W. Goodman, Introduction to Fourier Optics, McGraw-Hill, 1968, p. 10.
A. Kozma, E. N. Leith and N. G. Massey,Applied Optics,11 (1972), 8.