Fernández, R. R., I. B. A. Schalamuk, and P. Omenetto. “The Rutile Composition As Indicator of Greisen-Forming Conditions in the Sn-W Mazan District, La Rioja Province”. Revista De La Asociación Geológica Argentina, vol. 60, no. 2, Apr. 2005, pp. 259-67, https://revista.geologica.org.ar/raga/article/view/1043.