“An Outer-Ramp Brachiopod Assemblage from the Uppermost San Juan Formation (middle Arenig), Northern Argentine Precordillera: Paleoecologic and Biogeographic Implications”. Ameghiniana, vol. 43, no. 1, Mar. 2006, pp. 27-44, https://ameghiniana.org.ar/index.php/ameghiniana/article/view/736.