Heredia, S., and M. S. Beresi. “The Empozada Formation and Its Relationship With San Isidro Formation (nom. Nov.), Ordovician of the Mendoza Precordillera”. Revista De La Asociación Geológica Argentina, vol. 59, no. 2, June 2004, pp. 178-92, https://revista.geologica.org.ar/raga/article/view/1402.