Iroume A., Andres, and Jorge Gayoso A. “Ranking and Assignment of Priorities to Watersheds of Arid and Semiarid Zones of Chile. Part I: Method”. BOSQUE 11, no. 1 (June 29, 1990): 35–43. Accessed July 17, 2024. http://revistas.uach.cl/index.php/bosque/article/view/4445.