RT Journal Article SR Electronic A1 Hammer, Juraj A1 Poliak, Miloš A1 Jaśkiewicz, Marek T1 JF Transport And Communications YR 2020 VO 8 IS 1 SP 1 OP 5 DO 10.26552/tac.C.2020.1.1 UL https://tac.uniza.sk/artkey/tac-202001-0001.php AB