Kampf, R. a Velechovský, M. (2011) „BICYCLE TRANSPORT AND MOBILITY MANAGEMENT IN RELATION TO ALTERNATIVE TRANSPORTATION TYPES", Perner’s Contacts, 6(4), s. 104–110. Dostupné z: https://pernerscontacts.upce.cz/index.php/perner/article/view/903 (Viděno: 24 duben 2024).