BALOG, Iosif Marin, Ioan LUMPERDEAN, Rudolf GRÄF, and Ioan BOLOVAN. ROMANIAN JOURNAL OF POPULATION STUDIES, SUPPLEMENT. 2011, (POPULATION AND ECONOMY. RURAL AND URBAN INSTANCES). Presa Universitară Clujeană, 2012. Accessed March 17, 2026. https://editura.ubbcluj.ro/index.php/puc/catalog/book/1228.