Casco-Sánchez, F. M., R. C. Medina-Ramírez, and M. López-Guerrero. 2011. “A New Variable Step-Size NLMS Algorithm and Its Performance Evaluation in Echo Cancelling Applications”. Journal of Applied Research and Technology 9 (03). https://doi.org/10.22201/icat.16656423.2011.9.03.425.