S. Panchenko, T. Butko, Аndrii Prokhorchenko, L. Parkhomenko, and O. Zhurba, “Development of Rational Rail Network Topology for High-Speed and Conventional Trains Based on Bacterial Foraging Optimization”, IJET, vol. 7, no. 4.3, pp. 217–221, Sep. 2018, doi: 10.14419/ijet.v7i4.3.19790.