Pant, D.D. “The Origin, Rise and Decline of Glossopteris Flora: With Notes on Its Palaeogeographical Northern Boundary and Age”. Journal of Palaeosciences 36 (December 31, 1987): 106–117. Accessed May 4, 2024. https://www.jpsonline.co.in/index.php/jop/article/view/1566.