Stamm, N., and M.W. Schmidt. “The Petrology and Mineralogy of the Kimberlite Blow in Letšengla-Terae: Implication for Its Parental Magma Composition”. International Kimberlite Conference: Extended Abstracts 11 (September 18, 2017). Accessed January 22, 2021. http://ikcabstracts.com/index.php/ikc/article/view/3820.