SARATE, O. S. Coal petrographic characteristics and depositional conditions of the subsurface Barakar Formation (Early Permian) in Belampalli Coalfield, Godavari Valley, Telangana. Journal of Palaeosciences, [S. l.], v. 66, n. (1-2), p. 71–80, 2017. DOI: 10.54991/jop.2017.280. Disponível em: https://www.jpsonline.co.in/index.php/jop/article/view/280. Acesso em: 3 may. 2024.