20205204(en)/04 - Prehispanic Hydraulic Damming on the Western Side of the Cordillera Negra, Ancash, Perú Written by Super User on 31 March 2018.
20205204(es)/04 - Los Represamientos Hidráulicos Prehispánicos en el Flanco Occidental de la Cordillera Negra, Áncash, Perú Written by Super User on 31 March 2018.
