1. A. H. Sayed, Fundamentals of Adaptive Filtering. New York: Wiley,2003.
2. P. S. R. Diniz, Adaptive Filtering: Algorithms and Practical Implementations, 2nd ed. Boston, MA: Kluwer, 2002.
3. Y. Li and X. Wang, “A modified VS LMS algorithm,” in Proc. 9th Int. Conf. on Advanced Communication Technology, Seoul, Korea, Feb. 2007, pp. 615–618.
4. B. Widrow and E. Walach, “On the statistical efficiency of the LMS algorithm with nonstationary inputs,” IEEE Trans. Inf. Theory, vol. IT-30, no.2, pp. 211–221, Mar. 1984.
5. G. Ungerboeck, “Theory on the Speed of Convergence in Adaptive Equalizers for Digital Communication,” IBM J. Res. Dev., 2010.