BHARADWAJ, D.; SRIVASTAVA, S. Sporological Correlation of coal Seams in some blocks of Sohagpur Coalfield, M.P. India. Journal of Palaeosciences, [S. l.], v. 19, n. 1-3, p. 1–28, 1970. DOI: 10.54991/jop.1970.851. Disponível em: https://jpsonline.co.in/index.php/jop/article/view/851. Acesso em: 12 may. 2024.