Pal, P., and A. Ghosh. “Megafloral Zonation of Permian-Triassic Sequence in the Kamthi Formation, Talcher Coalfield, Orissa”. Journal of Palaeosciences, vol. 46, no. (1-2), Dec. 1997, pp. 81-87, doi:10.54991/jop.1997.1319.