RT Journal Article SR Electronic A1 Ďutková, Silvia A1 Hoštáková, Dominika A1 Mišík, Tomáš A1 Rybicka, Iwona T1 JF Transport And Communications YR 2017 VO 5 IS 2 SP 6 OP 10 DO 10.26552/tac.C.2017.2.2 UL https://tac.uniza.sk/artkey/tac-201702-0002.php AB