Kar, R.K. “Studies in the Glossopteris Flora of India - 36. Plant Fossils from Barren Measures Succession of Jharia Coalfield, Bihar, India”. Journal of Palaeosciences 16, no. (1-3) (December 31, 1967): 243–248. Accessed July 18, 2024. https://jpsonline.co.in/index.php/jop/article/view/524.