WASET
    R.K.Tuli,  Mean Codeword Lengths and Their Correspondence with Entropy Measures.   journal   = {International Journal of Information and Communication Engineering}, [online]. World Academy of Science, Engineering and Technology.
    March 2011, vol. 51(3). 324 - 329
    [viewed 23 April 2024]. Available from: https://publications.waset.org/pdf/196.