Wass, S.Y. “Evidence for Fractional Crystallisation in the Mantle of Late-Stage Kimberlitic Liquids”. International Kimberlite Conference: Extended Abstracts 2, no. 1 (September 12, 1977): 349–351. Accessed May 2, 2024. https://ikcabstracts.com/index.php/ikc/article/view/1045.