Kumar, G., R. Shanker, V. Mathur, P. Maithy, S. Bhattacharya, and R. Jain. “Terminal Proterozoic-Cambrian Sequences in India: A Review With Special Reference to Precambrian-Cambrian Boundary”. Journal of Palaeosciences, vol. 46, no. (1-2), Dec. 1997, pp. 19-31, doi:10.54991/jop.1997.1314.