X. Ni, Q. Ji, W. Wu, Q. Shao, Y. Ji, C. Zhang, L. Liang, J. Ge, and others. Massive cranium from Harbin in northeastern China establishes a new Middle Pleistocene human lineage. Innov. J., cell.com, 2021. Q. Shao, J. Ge, Q. Ji, J. Li, W. Wu, Y. Ji, T. Zhan, C. Zhang, Q. Li, R. Grün, C. Stringer, and X. Ni. Geochemical provenancing and direct dating of the Harbin archaic human cranium. Innovation (Camb), volume 2, issue 3, pages 100131, August 2021. M. Duval, R. Grün, J. M. Pares, L. Martin-Frances, I. Campana, J. Rosell, Q. Shao, J. L. Arsuaga, E. Carbonell, and J. M. B. de Castro. The first direct ESR dating of a hominin tooth from Atapuerca Gran Dolina TD-6 (Spain) supports the antiquity of Homo antecessor. Quat. Geochronol., volume 47, pages 120-137, 2018. G. A. Wagner, M. Krbetschek, D. Degering, J.-J. Bahain, Q. Shao, C. Falguères, P. Voinchet, J.-M. Dolo, T. Garcia, and G. P. Rightmire. Radiometric dating of the type-site for Homo heidelbergensis at Mauer, Germany. Proc. Natl. Acad. Sci. U. S. A., volume 107, issue 46, pages 19726-19730, November 2010.