1.
Srivastava P. Studies in the Glossopteris flora of India - 4. Glossopteris, Gangamopteris and Palaeovittaria from the Raniganj Coalfield. JPS [Internet]. 1956 Dec. 31 [cited 2024 Nov. 25];5:1-45. Available from: https://jpsonline.co.in/index.php/jop/article/view/483