Singh, H.P., and S. Sarkar. “Palynological Investigations of Ramshahr Well 1, Himachal Pradesh, India”. Journal of Palaeosciences 32, no. (1-3) (December 31, 1984): 91–112. Accessed December 12, 2024. https://jpsonline.co.in/index.php/jop/article/view/1366.