1. [1] S. Haykin, "Adaptive Filter Theory", fourth ed., Prentice Hall, Delhi, 2002 (ISBN: 9780130901262).
2. [2] M.M. Sondhi, "The history of echo cancellation", IEEE Signal Processing Magazine, vol. 23, no. 5, pp. 95-102, 2006 (DOI:10.1109/MSP.2006.1708416).
3. [3] A.H. Sayed, "Fundamentals of Adaptive Filtering", John Wiley & Sons, 2003 (ISBN: 9780471461265).
4. [4] P.S.R. Diniz, "Adaptive Filtering: Algorithms and Practical Implementations", Springer, 2008 (DOI: 10.1007/978-0-387-68606-6).
5. [5] L. Ljung, "System identification: theory for the user", Upper Saddle River (NJ): Prentice Hall PTR, 1999 (DOI:10.1002/047134608x.w1046).