[1]
Sarate, O.S. and Basava Chary, M. 2010. Petrographic evaluation of the coal seams from Gundala area, Godavari Valley Coalfield, Andhra Pradesh, India. Journal of Palaeosciences. 59, (1-3) (Dec. 2010), 81–90. DOI:https://doi.org/10.54991/jop.2010.191.