Found in articles
Motorways in the Czech Republic. RSD.cz (2009). Czech Motorways > Homepage. Motorway.cz. 2015-12-22 [2016-12-10]. （原始内容存档于2021-03-11）. Angi, János. A nyugati
（原始内容存档于2020-10-31）. Martin Bakoš. KARPATY TUNNEL – THE LONGEST MOTORWAY TUNNEL IN SLOVAKIA (PDF). Tunel. 2008, (2): 26–32 [2014-05-20]. （原始内容存档 (PDF)于2019-05-11）