Ahmed, W.; Bhat, G.; Mclennan, J.; Sinha, H.; Kanungo, S.; Pandita, S.; Singh, Y.; Hakhoo, N.; Hafiz, M.; Thusu, B.; Choudhary, N. Kerogen Typing Using Palynofacies Analysis in Permian Barren Measures Formation in Raniganj sub–basin, East India. JPS 2018, 67, 113-122.