[1]
Farkas, B. 2016. PRESENTATION OF THE RAIL FREIGHT MARKET’S CONCENTRATION WITH RESPECT TO THE GAS MARKET WITH THE HELP OF THE HERFINDAL-HIRSCHMAN INDEX. Science and Transport Progress . 6(66) (Dec. 2016), 69–78. DOI:https://doi.org/10.15802/stp2016/90474.