Gang Uk Hwang,  The Effect of Correlated Service and Inter-arrival Times on System Performance.   journal   = {International Journal of Mathematical and Computational Sciences}, [online]. World Academy of Science, Engineering and Technology.
    August 2007, vol. 8(8). 349 - 354
    [viewed 25 April 2024]. Available from: https://publications.waset.org/pdf/12105.