S. Rocher, G. Vallecillo, B. Castro de Machuca, and P. Alasino, “The Choiyoi Group (lower-middle Permian) in the Cordillera Frontal of Calingasta. San Juan, Argentina: arc volcanism associated to extension”, revmexcg, vol. 32, no. 3, pp. 415–432, Jan. 2018.