DUTTA, S.; SAH, S. Palynostratigraphy of the sedimentary formations of Assam, India:4. Age of the laitryngew-mawkma coal-bearing sandstones and their relationship with the Charra formation. Journal of Palaeosciences, [S. l.], v. 21, n. (1-3), p. 48–51, 1972. DOI: 10.54991/jop.1972.1468. Disponível em: https://jpsonline.co.in/index.php/jop/article/view/1468. Acesso em: 28 jul. 2024.