Prasad, Bijai, S.N. Uniyal, and Ramson Asher. “Organic-Walled Microfossils from the Proterozoic Vindhyan Supergroup of Son Valley, Madhya Pradesh, India”. Journal of Palaeosciences 54, no. (1-3) (December 31, 2005): 13–60. Accessed November 9, 2024. https://jpsonline.co.in/index.php/jop/article/view/68.