1. Applied Optimal Estimation, A. Gelb , Editor M.I.T. Press, Cambridge, MA (1974).
2. B. D. O. Anderson and J. B. Moore ,Optimal Filtering, Prentice-Hall, Englewood Cliffs, NJ (1979).
3. P. S. Maybeck ,Stochastic Models, Estimation and Control, Vol. 141-1 of Mathematics in Science and Engineering, Academic Press, New York (1979).
4. B. Widrow and S. D. Stearn ,Adaptive Signal Processing, Prentice-Hall, Englewood Cliffs, NJ (1985).
5. W. L. Brogan ,Modern Control Theory, 2nd ed., Prentice-Hall, Englewood Cliffs, NJ (1985).