LEANZA, H. A.; VOLKHEIMER, W.; HUGO, C. A.; MELENDI, D. L.; ROVERE, E. I. Lacustrine black shales near to the Paleogene - Neogene boundary in north-western Neuquén Province: palynological evidence. Revista de la Asociación Geológica Argentina, [S. l.], v. 57, n. 3, p. 280-288, 2002. Disponível em: https://revista.geologica.org.ar/raga/article/view/736. Acesso em: 23 nov. 2024.