PT Journal AU Gnap, J Benova, D Slavik, R Dydkowski, G SO Transport And Communications PY 2017 BP 11 EP 15 VL 5 IS 2 DI 10.26552/tac.C.2017.2.3 WP https://tac.uniza.sk/artkey/tac-201702-0003.php SN 13395130 ER