1.
Ramanujam C, Reddy P, Ramakrishna H. Surmaspora Singh & Rao from the Neogene sediments of southern India: its stratigraphic and botanical significance. JPS [Internet]. 1997 Dec. 31 [cited 2024 Apr. 25];46(3):47-50. Available from: https://jpsonline.co.in/index.php/jop/article/view/1347