Om Parkash and  A. K. Thukral and  C. P. Gandhi,  Information Measures Based on Sampling Distributions.   journal   = {International Journal of Information and Communication Engineering}, [online]. World Academy of Science, Engineering and Technology.
    March 2011, vol. 51(3). 377 - 381
    [viewed 23 January 2020]. Available from: https://publications.waset.org/pdf/3333.