1. C.L. Dolph, “A current distribution for broadside arrays which optimizes the relationship between beam width and sidelobe level,” Proc. IRE, vol. 34, pp. 335–348, June, 1946.
2. O.L. Frost, III, “An algorithm for linearly-constrained adaptive array processing,” Proc. IEEE, vol. 60, pp. 926–935, August, 1972.
3. N.W. Owsley, “A recent trend in adaptive spatial processing for sensor arrays: Constrained adaptation,” Signal Processing, Pro. NATO ASI, J.W.R. Griffiths, P.L. Stocklin, and C. Van Schooneveld, (Eds.) Academic Press, 1973.
4. L.J. Griffiths, “Adaptive monopulse beamforming,” Proc. IEEE (letters), vol. 64, pp. 1260–1261, August, 1976.
5. B. Widrow, et al, “Stationary and non-stationary learning characteristics of the LMS adaptive filter,” Proc. IEEE, vol. 64, August, 1976.