BHARADWAJ, D.; SALUJHA, S. Sporological study of Seam VIII in Raniganj Coalfield, Bihar (India): Part 1. Description of Sporae Dispersae. Journal of Palaeosciences, [S. l.], v. 12, n. (1-3), p. 181–215, 1963. DOI: 10.54991/jop.1963.653. Disponível em: https://jpsonline.co.in/index.php/jop/article/view/653. Acesso em: 23 jul. 2024.