B.Bahmani Firouzi and  T. Niknam and  M. Nayeripour,  A New Evolutionary Algorithm for Cluster Analysis.   journal   = {International Journal of Computer and Information Engineering}, [online]. World Academy of Science, Engineering and Technology.
    October 2008, vol. 22(10). 3427 - 3431
    [viewed 15 October 2019]. Available from: https://publications.waset.org/pdf/891.