Naskar, Pronab, and Subhendu Kumar Baksi. “Palynological Investigation of Akli Lignite, Rajasthan, India”. Journal of Palaeosciences 25, no. 1-3 (December 31, 1976): 314–329. Accessed August 25, 2024. https://jpsonline.co.in/index.php/jop/article/view/1020.