Clement, C.R., E.M.W. Skinner, and B.H. Scott. “Kimberlite Redefined”. International Kimberlite Conference: Extended Abstracts 2, no. 1 (September 12, 1977): 59–60. Accessed April 5, 2025. https://ikcabstracts.com/index.php/ikc/article/view/942.