Vladimir K. Mukhomorov,  Application the Statistical Conditional Entropy Function for Definition of Cause-and-Effect Relations during Primary Soil Formation.   journal   = {International Journal of Agricultural and Biosystems Engineering}, [online]. World Academy of Science, Engineering and Technology.
    August 2009, vol. 32(8). 378 - 382
    [viewed 19 April 2024]. Available from: https://publications.waset.org/pdf/4597.