RT Journal Article SR Electronic A1 Rievaj, Vladimír A1 Mokričková, Lenka T1 JF Transport And Communications YR 2016 VO 4 IS 1 SP 22 OP 26 DO 10.26552/tac.C.2016.1.5 UL https://tac.uniza.sk/artkey/tac-201601-0005.php AB