Smith, Craig B., H. L. Allsopp, J. D. Kramers, J. J. Gurney, and E. Jagoutz. “Isotopic and Geochemical Studies of Kimberlite and Included Xenoliths”. International Kimberlite Conference: Extended Abstracts 4, no. 1 (September 19, 1986): 329–331. Accessed January 17, 2025. https://journals.library.ualberta.ca/ikcabstracts.com/index.php/ikc/article/view/1161.