Tripathi, Archana, and R.S. Tiwari. “Early Cretaceous Angiospermous Pollen from the Intertrappean Beds of Rajmahal Basin, Bihar”. Journal of Palaeosciences 39, no. (1-3) (December 31, 1990): 50–56. Accessed May 7, 2024. https://jpsonline.co.in/index.php/jop/article/view/1682.