Pal, P.K., and A.K. Ghosh. 1997. “Megafloral Zonation of Permian-Triassic Sequence in the Kamthi Formation, Talcher Coalfield, Orissa”. Journal of Palaeosciences 46 ((1-2):81-87. https://doi.org/10.54991/jop.1997.1319.