WASET
    Walenty Oniszczuk,  Analysis of Linked in Series Servers with Blocking, Priority Feedback Service and Threshold Policy.   journal   = {International Journal of Computer and Information Engineering}, [online]. World Academy of Science, Engineering and Technology.
    March 2009, vol. 27(3). 758 - 765
    [viewed 29 March 2024]. Available from: https://publications.waset.org/pdf/8115.