Otter, M.L., D.A. Gerneke, B. Harte, J.J. Gurney, J.W. Garris, and M.C. Wilding. 1991. “Diamond Growth Histories Revealed by Cathodoluminescence and Carbon Isotope Studies”. International Kimberlite Conference: Extended Abstracts 5 (February):318-19. https://doi.org/10.29173/ikc2553.