Tripathi, Archana. “Palynological Expression about Permian-Triassic Transition in the Talcher Coalfield, Orissa, India”. Journal of Palaeosciences 50, no. (1-3) (December 31, 2001): 247–253. Accessed December 12, 2024. https://jpsonline.co.in/index.php/jop/article/view/1826.