Loss, R. (1951) “Contributions to the knowledge of the graptolytic faunas of the Argentine North: I. Graptolites from Cerro San Bernardo (Salta) and the La Ciénaga dam area (Jujuy)”, Revista de la Asociación Geológica Argentina, 6(1), pp. 21-62. Available at: https://revista.geologica.org.ar/raga/article/view/951 (Accessed: 4May2024).