1. Anderson, B.D.O. and J.B. Moore (1979): Objective Filtering. Prentice-Hall, Englewood Cliffs, N.J.
2. Anderson, D.L.T. and A.M. Moore (1986): ‘Data Assimilation’. Pp.437–464 in: Advanced Physical Oceanographic Numerical Modelling. (Editor: J.J. O’Brien). Dordrecht, D. Reidel, 608pp.
3. Baer, F. and J.J. Tribba (1977): On Complete Filtering of Gravity Wave Modes through Nonlinear Initialization. Monthly Weather Review, 105, 1536–1539.
4. Barbieri, R.W., and P.S. Schopf (1982): Oceanic applications of the Kalman filter. NASA/Goddard Technical Memo TM83993,26pp.
5. Battin, R.H. (1962): ‘A Statistical Optimizing Navigation Procedure for Space Flight’. American Rocket Society Journal, 32, 1681–1696.