Hazem Al-Mofleh and  John Daniels and  Joseph McKean,  Variogram Fitting Based on the Wilcoxon Norm.   journal   = {International Journal of Mathematical and Computational Sciences}, [online]. World Academy of Science, Engineering and Technology.
    September 2016, vol. 117(9). 449 - 455
    [viewed 02 May 2024]. Available from: https://publications.waset.org/pdf/10005623.