MAITHY, P. Some contribution to the knowledge of Indian Lower Gondwana ferns. Journal of Palaeosciences, [S. l.], v. 22, n. 1-3, p. 29–38, 1973. DOI: 10.54991/jop.1973.921. Disponível em: https://jpsonline.co.in/index.php/jop/article/view/921. Acesso em: 18 may. 2024.