VISHNU-MITTRE. Studies on the fossil flora of Nipania (Rajmahal Series), Bihar - Coniferales. Journal of Palaeosciences, [S. l.], v. 6, n. (1-2), p. 82–112, 1957. DOI: 10.54991/jop.1957.560. Disponível em: https://jpsonline.co.in/index.php/jop/article/view/560. Acesso em: 17 may. 2024.