Colombo, F., and R. . Lira. “Geology and Mineralogy of Some Pegmatites in the Eastern Border of the Punilla District, Córdoba Province”. Revista De La Asociación Geológica Argentina, vol. 61, no. 3, Sept. 2006, pp. 393-07, https://revista.geologica.org.ar/raga/article/view/1200.