SINGH, Mahendra P. On the Origin of Fusain in the Tertiary Coals of Meghalaya. Journal of Geological Society of India, [S. l.], v. 34, n. 1, p. 99–103, 1989. Disponível em: https://geosocindia.com/index.php/jgsi/article/view/66728. Acesso em: 20 sep. 2024.