BHARADWAJ, D.; TIWARI, R. Sporological Correlation of Coalseams in Bachra area of north Karanpura Coalfield, Bihar, India. Journal of Palaeosciences, [S. l.], v. 15, n. (1-3), p. 1–10, 1966. DOI: 10.54991/jop.1966.740. Disponível em: https://jpsonline.co.in/index.php/jop/article/view/740. Acesso em: 22 nov. 2024.