Surange, K.R., and K.M. Lele. “Studies in the Glossopteries Flora of India - 3. Plant Fossils from the Talchir Needle Shales from Giridih Coalfield”. Journal of Palaeosciences 4 (December 31, 1955): 153–157. Accessed May 13, 2024. https://jpsonline.co.in/index.php/jop/article/view/482.