BHARADWAJ, D. Palynological correlation of Lower Gondwana coal seams. Journal of Palaeosciences, [S. l.], v. 36, p. 118–122, 1987. DOI: 10.54991/jop.1987.1567. Disponível em: https://jpsonline.co.in/index.php/jop/article/view/1567. Acesso em: 30 apr. 2024.