Rocher, S., Vallecillo, G., Castro de Machuca, B., & Alasino, P. (2018). The Choiyoi Group (lower-middle Permian) in the Cordillera Frontal of Calingasta. San Juan, Argentina: arc volcanism associated to extension. Revista Mexicana De Ciencias Geológicas, 32(3), 415–432. https://doi.org/10.22201/cgeo.20072902e.2015.3.592