Surange K, Srivastava P. Studies in the Glossopteris flora of India - 5. Generic status of Glossopteris, Gangamopteris and Palaeovittaria. JPS [Internet]. 1956 Dec. 31 [cited 2024 May 29];5:46-9. Available from: https://jpsonline.co.in/index.php/jop/article/view/484