RT Journal Article SR Electronic A1 Medviď, Peter A1 Hammer, Juraj A1 Poliak, Miloš T1 JF Transport And Communications YR 2018 VO 6 IS 1 SP 1 OP 4 DO 10.26552/tac.C.2018.1.1 UL https://tac.uniza.sk/artkey/tac-201801-0001.php AB