Jacob, D., E. Jagoutz, and N.V. Sobolev. 1991. “A Diamond-Graphite Bearing Eclogitic Xenolith from Roberts Victor - Indication for Petrogenesis from Pb, Nd, and Sr Isotopes”. International Kimberlite Conference: Extended Abstracts 5 (February):190-92. https://doi.org/10.29173/ikc2508.