Yilun Shang,  Topological Properties of an Exponential Random Geometric Graph Process.   journal   = {International Journal of Mathematical and Computational Sciences}, [online]. World Academy of Science, Engineering and Technology.
    April 2011, vol. 52(4). 664 - 669
    [viewed 11 April 2021]. Available from: https://publications.waset.org/pdf/6474.