M. Z. Makongoro, M. R. Vegi, S. A. H. Vuai, and M. M. Msabi, “Radiometric dating of the Ootun palaeosol and its implication for the age of the Shifting Sand in Ngorongoro Lengai Geopark (Arusha, Tanzania)”, logos, vol. 28, no. 3, pp. 203–215, Dec. 2022.