Lele, K.M., and Manoj Shukla. “Biometric Resolution of Plicatipollenites and Potonieisporites in the Lower Gondwana Succession of India”. Journal of Palaeosciences 25, no. 1-3 (December 31, 1976): 217–237. Accessed July 28, 2024. https://jpsonline.co.in/index.php/jop/article/view/1012.