Evolution of historical regions, borderlands and border during last century (1916–2011 at the external EU border corresponding to Northern Romanian-Ukrainian Sector

Journal of Geography, Politics and Society, Tom 2, Numer 3 (2012) s. 34-54
Alexandru Ilieş, Dorina Camelia Ilieş, Cezar Morar, Gabriela Ilieş, Jan A. Wendt