Sarate, Omprakash S. “Coal Petrographic Characteristics and Depositional Conditions of the Subsurface Barakar Formation (Early Permian) in Belampalli Coalfield, Godavari Valley, Telangana”. Journal of Palaeosciences 66, no. (1-2) (December 31, 2017): 71–80. Accessed November 9, 2024. https://jpsonline.co.in/index.php/jop/article/view/280.