English: (a) Stratigraphic sequence of Ksar Akil; (b) The discovery of Egbert (Ksar Akil 1) in 1938. Close up of the skull in situ; (c) View of the partial right maxilla of Ethelruda (Ksar Akil 2).
Katerina Douka, Christopher A. Bergman, Robert E. M. Hedges, Frank P. Wesselingh, Thomas F. G. Higham
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