Singh, B., and A. K. Varma. “International Conference CSCOP-TSOP 2002- Emerging Concepts in Organic Petrology and Geochemistry, Canada [including Dr Archie G. Douglas Symposium]”. Journal of Palaeosciences, vol. 52, no. (1-3), Dec. 2003, pp. 137-9, doi:10.54991/jop.2003.1762.