NAVALE, G. Temporal and spatial variations of the type and rank of Gondwana coals of India. Journal of Palaeosciences, [S. l.], v. 40, p. 468–476, 1991. DOI: 10.54991/jop.1991.1794. Disponível em: https://jpsonline.co.in/index.php/jop/article/view/1794. Acesso em: 28 jul. 2024.