Srivastava, P.N. “Studies in the Glossopteris Flora of India: 1. Some New Fossil Plants from the Lower Gondwanas of the Raniganj Coalfield, India”. Journal of Palaeosciences 3 (December 31, 1954): 70–78. Accessed November 22, 2024. https://jpsonline.co.in/index.php/jop/article/view/452.