HIEPEL, C. 2018. BORDERS AND BORDER REGIONS IN EUROPE – EUREGIOS AS A MODEL OF CROSS-BORDER CO-OPERATION FOR EAST-CENTRAL EUROPE?. Studia Universitatis Babeș-Bolyai Europaea. 63, 1 (Jun. 2018), 113–130. DOI:https://doi.org/10.24193/subbeuropaea.2018.1.05.