Rai, Jyotsana. “Middle Eocene Calcareous Nannofossil Biostratigraphy and Taxonomy of Onland Kutch Basin, Western India”. Journal of Palaeosciences 56 (January 12, 2022): 29–116. Accessed May 8, 2024. https://www.jpsonline.co.in/index.php/jop/article/view/61.