Aggarwal, N., Mishra, S., Jha, N. and Rao, P.S. 2018. Palynostratigraphy and correlation of the coal bearing Gondwana sediments in the Kothagudem sub basin of the Godavari Graben, South India. Journal of Palaeosciences. 67, (1-2) (Dec. 2018), 123–138. DOI:https://doi.org/10.54991/jop.2018.53.