VISHNU-MITTRE. Studies on the fossil flora of Nipania, Rajmahal Series, India - Pteridophyta, and general observation on Nipania fossil flora. Journal of Palaeosciences, [S. l.], v. 7, n. (1-2), p. 47–66, 1958. DOI: 10.54991/jop.1958.570. Disponível em: https://www.jpsonline.co.in/index.php/jop/article/view/570. Acesso em: 17 may. 2024.