PT Journal AU Paluch, J Culik, K Synak, F Hammer, J Mikulski, J SO Transport And Communications PY 2018 BP 16 EP 19 VL 6 IS 2 DI 10.26552/tac.C.2018.2.4 WP https://tac.uniza.sk/artkey/tac-201802-0004.php SN 13395130 ER