Singh, B.D., and Atul K. Varma. “International Conference CSCOP-TSOP 2002- Emerging Concepts in Organic Petrology and Geochemistry, Canada [including Dr Archie G. Douglas Symposium]”. Journal of Palaeosciences 52, no. (1-3) (December 31, 2003): 137–139. Accessed May 11, 2024. https://www.jpsonline.co.in/index.php/jop/article/view/1762.