{"id":"001289473","type":"book","title":"The handling of numerical ages and their random uncertainties.Der gebrauch numerischer Alter und ihre Standartabweichungen","pages":"239-252","container-title":"Eiszeitalter und Gegenwart, 57,1/2 (2008","author":[{"family":"Geyh","given":"Mebus A."}],"issued":{"raw":"2008"}}