RT Journal Article SR Electronic A1 Šarkan, Branislav A1 Holeša, Lukáš A1 Ivánek, Peter T1 JF Transport And Communications YR 2013 VO 1 IS 1 SP 29 OP 32 DO 10.26552/tac.C.2013.1.7 UL https://tac.uniza.sk/artkey/tac-201301-0007.php AB