The de Geer chronology and C 14. - Stockholm. enth.: De Geer's chronology confirmed by radioactive carbon, C 14 / Eba Hult de Geer enth.: Conclusions from C 14 and De Geer's chronology, Dani-Gotiglacial, with datings / by Ebba Hult de Geer. - Geer, Ebba Hult de (1951)