Gupta, H.P., and S.K. Bera. “Silent Valley: A Correlation Between Pollen Spectra and Vegetation”. Journal of Palaeosciences 43, no. 1-3 (December 31, 1994): 139–144. Accessed May 4, 2024. https://jpsonline.co.in/index.php/jop/article/view/1182.