Zweistra, P., W. Jarvis, and I.B. McGeorge. “The Geology of Micaceous Kimberlite Intrusives, Khutse, Botswana”. International Kimberlite Conference: Extended Abstracts 7, no. 1 (April 17, 1998): 1037–1038. Accessed April 20, 2024. https://ikcabstracts.com/index.php/ikc/article/view/2971.