“Expiry as a Form of Extinction of Demanial Concessions and the Guarantees of the Concessionaire: The Case of the Mining Concessions” (2015) Derecho & Sociedad, (45), pp. 333–341. Available at: https://revistas.pucp.edu.pe/index.php/derechoysociedad/article/view/15251 (Accessed: 19 September 2026).