[1]
Ramanujam, C., Reddy, P. and Ramakrishna, H. 1997. Surmaspora Singh & Rao from the Neogene sediments of southern India: its stratigraphic and botanical significance. Journal of Palaeosciences. 46, 3 (Dec. 1997), 47–50. DOI:https://doi.org/10.54991/jop.1997.1347.