Gaete, A. (1975) “Statistical analysis of the depopulation verified between 1862 and 1970, according to different altitude strata, in the hydrographic basins of the Aroma and Tarapacá streams. ”, Revista de Geografía Norte Grande, (3-4), pp. 447–455. Available at: https://revistadisena.uc.cl/index.php/RGNG/article/view/39713 (Accessed: 6October2024).