PAREEK, H. S. Proceedings of National Seminar on Coal Resources of India. Journal of Geological Society of India, [S. l.], v. 31, n. 1, p. 177–178, 1988. Disponível em: https://geosocindia.com/index.php/jgsi/article/view/66230. Acesso em: 20 sep. 2024.