Lung. «The Natural Dynamics of the Population in the Carpathian Mountain Space at the Beginning of the 20th Century (1901-1910). Case Study: Apuseni Mountains (Romania)». Ería 40, no. 2 (agosto 18, 2020): 207–222. Accedido febrero 7, 2023. https://reunido.uniovi.es/index.php/RCG/article/view/13964.