Bertrán, Pascal. “Estudio Geológico Preliminar Del Alero Rocoso Cerro Castillo (Patagonia Austral, Chile). Preliminary Geological Study of Cerro Castillo Rockshelter (Patagonia, Southernmost Chile)”. Magallania, vol. 37, no. 1, Aug. 2009, pp. 163-72, https://magallania.cl/index.php/magallania/article/view/297.