MENDES, J. C. The Gondwana formations of Southern Brazil: some of their statigraphical problems, with emphasis on the fossil flora. Journal of Palaeosciences, [S. l.], v. 1, p. 335–345, 1952. DOI: 10.54991/jop.1952.394. Disponível em: https://jpsonline.co.in/index.php/jop/article/view/394. Acesso em: 15 may. 2024.