Dev, Sukh. “The Fossil Flora of the Jabalpur Series - 3. Spores and Pollen Grains”. Journal of Palaeosciences 8, no. (1-2) (December 31, 1959): 43–56. Accessed May 18, 2024. https://www.jpsonline.co.in/index.php/jop/article/view/587.