Prasad, M., J.S. Antal, and V.D. Tiwari. “Investigation on Plant Fossils from Seria Naka in the Himalayan Foot-Hills of Uttar Pradesh, India”. Journal of Palaeosciences 46, no. 3 (December 31, 1997): 13–30. Accessed June 16, 2024. https://jpsonline.co.in/index.php/jop/article/view/1344.