Vishal Awasthi and  Krishna Raj,  A New Approach to Design an Efficient CIC Decimator Using Signed Digit Arithmetic.   journal   = {International Journal of Electronics and Communication Engineering}, [online]. World Academy of Science, Engineering and Technology.
    November 2013, vol. 83(11). 1477 - 1486
    [viewed 01 October 2020]. Available from: https://publications.waset.org/pdf/9997225.