[1]
Bharadwaj, D. and Dwivedi, A. 1978. Sporae dispersae of the Barakar sediments from South Karanpura Coalfield, Bihar, India. Journal of Palaeosciences. 27, 1-3 (Dec. 1978), 21–94. DOI:https://doi.org/10.54991/jop.1978.1078.