“ESTUDIO DE UN LEÑO FOSIL, PROTOCIRCOPOROXYLON MARIANAENSIS N. SP., DE LA FORMACION PASO FLORES (NEOTRIASICO), PROVINCIA DE RIO NEGRO, ARGENTINA”, AMGH, vol. 31, no. 3, pp. 203–207, Dec. 2013, Accessed: Sep. 19, 2025. [Online]. Available: https://www.ameghiniana.org.ar/index.php/ameghiniana/article/view/2205