Chronology of Ksar Akil (Lebanon) and Implications for the Colonization of Europe by Anatomically Modern Humans Douka, Katerina ; Bergman, Christopher A. ; Hedges, Robert E. M. ; Wesselingh, Frank P. ; Higham, Thomas F. G. Abstract Publication: PLoS ONE Pub Date: September 2013 DOI: 10.1371/journal.pone.0072931 Bibcode: 2013PLoSO...872931D