RT Journal Article SR Electronic A1 Mojský, Viliam A1 Achimský, Karol T1 JF Transport And Communications YR 2020 VO 8 IS 2 SP 13 OP 22 DO 10.26552/tac.C.2020.2.2 UL https://tac.uniza.sk/artkey/tac-202002-0002.php AB