Srivastava, S.C., Anand-Prakash, and Trilochan Singh. “Permian Palynofossils from the Eastern Himalaya and Their Genetic Relationship”. Journal of Palaeosciences 36 (December 31, 1987): 326–338. Accessed July 18, 2024. https://jpsonline.co.in/index.php/jop/article/view/1591.