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作者单位: | University of Potsdam, Institute of Earth and Environmental Science, Karl-Liebknecht-Str. 24-25, Potsdam, Germany; University of Cologne, Institute of Prehistoric Archaeology, Bernhard-Feilchenfeld-Str. 11, Cologne, Germany; Eberhard Karls Universitat Tuebingen, Department of Earth Sciences, Senckenberg Center for Human Evolution and Palaeoenvironment (HEP-Tuebingen), Hölderlinstrasse 12, Tübingen, Germany; Addis Ababa University, School of Earth Sciences, P. O. Box 1176, Addis Ababa, Ethiopia; Aberystwyth University, Department of Geography and Earth Sciences, Aberystwyth, United Kingdom; University of Cologne, Seminar for Geography and Education, Gronewaldstrasse 2, Cologne, Germany; University of Potsdam, Institute of Earth and Environmental Science, Karl-Liebknecht-Str. 24-25, Potsdam, Germany
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