“ESTUDIO AL MICROSCOPIO ELECTRONICO DE BARRIDO (MEB) DE DOS CYCADOPSIDAS FOSILES DE ARGENTINA. PSEUDOCTENIS DENTATA ARCHANGELSKY Y BALDONI 1972 Y SUERIA RECTINERVIS MENENDEZ 1965”, AMGH, vol. 31, no. 2, pp. 115–124, Dec. 2013, Accessed: Nov. 19, 2025. [Online]. Available: https://www.ameghiniana.org.ar/index.php/ameghiniana/article/view/2197