Becková, H. (2011) „INTERRELATIONSHIPS OF TRANSPORT AND ITS EXTERNAL MILIEU WITH A FOCUS ON THE ENVIRONMENT", Perner’s Contacts, 6(4), s. 13–20. Dostupné z: https://pernerscontacts.upce.cz/index.php/perner/article/view/892 (Viděno: 22 listopad 2024).