1. Zum Problem des Pliozäns in Brandenburg;Ahrens;Jahrbuch für Geologie,1976
2. Interglacialer og interstadialer i Danmarks kvartær;Andersen;Meddelelser fra Dansk Geologisk Forening,1965
3. The calcium carbonate content of North German tills;Baermann,1983
4. State of Research on the Quaternary of the Federal Republik of Germany;Behre;Eiszeitalter und Gegenwart,1973
5. The Quaternary geological development of the German part of the North Sea;Behre,1979