Maithy, P.K., and Rupendra Babu. “Upper Vindhyan Biota and Precambrian/Cambrian Boundary”. Journal of Palaeosciences 46, no. (1-2) (December 31, 1997): 1–6. Accessed April 29, 2024. https://www.jpsonline.co.in/index.php/jop/article/view/1311.