1. M. Ikeya, Nature 255, 48 (1975)
2. R. Grün, C. Stringer, Quat. Sci. Rev. 322, 108379 (2023)
3. A.R. Skinner. In Encyclopedia of Geology, 2nd Ed. Ed. By Alderton, D and Elias, S.A. (Academic Press, New York) 6, 153 (2020)
4. Y. Yokoyama, R. Bibron, C. Leger, J.P. Quaegebeur, Nucl. Tracks and Rad. Meas. 10, 929 (1985)
5. N. Cano, C.S. Munita, S. Watanabe, R.F. Barbosa, J.F.D. Chubaci, S. Tatumi, E.G. Neves, Quat. Int. 352, 176 (2014)