Young-Seok Choi,  Sparsity-Aware Affine Projection Algorithm for System Identification.   journal   = {International Journal of Electrical and Computer Engineering}, [online]. World Academy of Science, Engineering and Technology.
    January 2016, vol. 109(1). 121 - 124
    [viewed 22 September 2021]. Available from: https://publications.waset.org/pdf/10003838.