RT Journal Article SR Electronic A1 Kurdel, Pavol A1 Lazar, Tobiáš A1 Novák Sedláčková, Alena T1 JF Transport And Communications YR 2015 VO 3 IS 1 SP 6 OP 10 DO 10.26552/tac.C.2015.1.2 UL https://tac.uniza.sk/artkey/tac-201501-0002.php AB