Kar, R.K. “Palynological Delimitation of the Lower Gondwanas in the North Karanpura Sedimentary Basin, India”. Journal of Palaeosciences 20, no. 1-3 (December 31, 1971): 300–317. Accessed July 23, 2024. https://jpsonline.co.in/index.php/jop/article/view/909.