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COETZEE, J. A., (Editeur scientifique)
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Etude palynologique des sédiments quaternaires du lac Abiyata (Ethiopie) in Palaeoecology of Africa and the surrounding islands. Volume 14.
(supprimer)
covers the time span of approximately 40 000 to 6 000 years BP. The pollen spectra give indications of semi-arid and more humid periods while colder intervals may have occurred. The results are correlated with changes in lake levels.