MAINKAR, D.; LEHMANN, B.; HAGGERTY, S. Discovery of the very large crater-facies kimberlite system of Tokapal, Bastar district, Chhattisgarh, India. International Kimberlite Conference: Extended Abstracts, [S. l.], v. 8, 2003. DOI: 10.29173/ikc3026. Disponível em: https://ikcabstracts.com/index.php/ikc/article/view/3026. Acesso em: 17 may. 2022.