Grütter, H.S., A. Gerdes, L. Marko, and L.M. Heaman. “U-Pb Geochronology of Perovskite and Zircon from the Chigicherla Kimberlites, Anantapur District, India”. International Kimberlite Conference: Extended Abstracts 10 (February 6, 2012). Accessed May 3, 2024. https://ikcabstracts.com/index.php/ikc/article/view/3680.