PAREEK, H. S. A Petrographic Atlas of Canadian Coal Macerals and Dispersed Organic Matter. Journal of Geological Society of India, [S. l.], v. 53, n. 6, p. 733–733, 1999. Disponível em: https://geosocindia.com/index.php/jgsi/article/view/69381. Acesso em: 20 sep. 2024.