S. K. Tomar and  R. Prasad and  S. Panda and  C. Ardil,  Conventional and PSO Based Approaches for Model Reduction of SISO Discrete Systems.   journal   = {International Journal of Electrical and Computer Engineering}, [online]. World Academy of Science, Engineering and Technology.
    August 2013, vol. 78(6). 790 - 795
    [viewed 25 April 2024]. Available from: https://publications.waset.org/pdf/4815.