Srivastava, S., Anand-Prakash and Kar, R. 1997. Palynology of Permian-Triassic sequence in Iria Nala, Tatapani-Ramkola Coalfield, India. Journal of Palaeosciences. 46, (1-2) (Dec. 1997), 75–80. DOI:https://doi.org/10.54991/jop.1997.1318.