Ecker and Morris (2023)

Ecker, M., Morris, D., 2023. Pniel 1 and 6, South Africa, in: Beyin, A., Wright, D.K., Wilkins, J., Olszewski, D.I. (Eds.), Handbook of Pleistocene Archaeology of Africa: Hominin Behavior, Geography, and Chronology. Springer International Publishing, Cham. https://doi.org/10.1007/978-3-031-20290-2