TIWARI, R. Palynological Investigations of some Coal Seams in the IB-River Coalfield (Orissa), India. Journal of Palaeosciences, [S. l.], v. 16, n. (1-3), p. 222–242, 1967. DOI: 10.54991/jop.1967.523. Disponível em: https://jpsonline.co.in/index.php/jop/article/view/523. Acesso em: 24 jul. 2024.