RT Journal Article SR Electronic A1 Jaculjaková, Simona A1 Trnka, Lukáš A1 Turská, Stanislava A1 Kurotová, Jana A1 Rybicka, Iwona T1 JF Transport And Communications YR 2019 VO 7 IS 1 SP 30 OP 33 DO 10.26552/tac.C.2019.1.7 UL https://tac.uniza.sk/artkey/tac-201901-0007.php AB