Srivastava, A.K. “Studies in the Glossopteris Flora of India - 44. Raniganj Plant Megafossils and Microspores from Auranga Coalfield, Bihar”. Journal of Palaeosciences 26, no. (1-3) (December 31, 1977): 72–94. Accessed June 26, 2024. https://jpsonline.co.in/index.php/jop/article/view/1050.