Dimitrios J. Dimitriou and  Maria F. Sartzetaki,  Competitor Analysis to Quantify the Benefits and for Different Use of Transport Infrastructure.   journal   = {International Journal of Industrial and Systems Engineering}, [online]. World Academy of Science, Engineering and Technology.
    October 2017, vol. 131(11). 2731 - 2734
    [viewed 30 May 2020]. Available from: https://publications.waset.org/pdf/10008246.