R. Grün, A. Pike, F. McDermott, S. Eggins, G. Mortimer, M. Aubert, L. Kinsley, R. Joannes-Boyau, M. Rumsey, C. Denys, J. Brink, T. Clark, and C. Stringer. Dating the skull from Broken Hill, Zambia, and its position in human evolution. Nature, Springer Science and Business Media LLC, volume 580, issue 7803, pages 372-375, April 2020.