“IX CONGRESO INTERNACIONAL DE LA ESTRATlGRAFIA Y GEOLOGIA DEL CARBONIFERO (MAYO DE 1979) - URBANA, ILLINOIS, USA”, AMGH, vol. 16, no. 1-2, pp. 205–207, Sep. 2013, Accessed: Jan. 17, 2026. [Online]. Available: https://ameghiniana.org.ar/index.php/ameghiniana/article/view/1589