Stiefenhofer, J., K.S. Viljoen, K.M. Tainton, R. Dobbe, and G.W. Hannweg. 1998. “The Petrology of a Mantle Xenolith Suite from Venetia, South Africa”. International Kimberlite Conference: Extended Abstracts 7 (1):868-70. https://doi.org/10.29173/ikc2912.