Amel Abdoullah Ahmed Dghais and  Mohd Tahir Ismail,  A Comparative Study between Discrete Wavelet Transform and Maximal Overlap Discrete Wavelet Transform for Testing Stationarity.   journal   = {International Journal of Mathematical and Computational Sciences}, [online]. World Academy of Science, Engineering and Technology.
    November 2013, vol. 84(12). 1677 - 1681
    [viewed 11 May 2021]. Available from: https://publications.waset.org/pdf/9996697.