POTRA, A.-C. “DEMOGRAPHIC SPASMS – A LIMIT OF SUSTAINABLE TERRITORIAL DEVELOPMENT. CASE STUDY: THE DISTRICT OF CICEU”. Studia Universitatis Babeș-Bolyai Geographia, vol. 60, no. 1, Apr. 2015, pp. 97-110, http://193.231.18.162/index.php/subbgeographia/article/view/5691.