Brown, R.J., S. Manya, I. Buisman, R.S.J. Sparks, M. Field, F.M. Stuart, and G. Fontana. 2012. “Physical Volcanology, Geomorphology, and Cosmogenic 3He Dating of the Youngest Kimberlite Volcanoes on Earth (the Holocene Igwisi Hills Volcanoes, Tanzania)”. International Kimberlite Conference: Extended Abstracts 10 (February). https://doi.org/10.29173/ikc3770.