@book{UBHD-1446429, author={Dau, Heinrich}, title={Unentdeckt {\"u}ber die Meere}, subtitle={die Fahrt d. "Altmark"}, edition={1.-30. Tsd.}, address={Berlin}, year={1940}, pages={160 S., 4 Taf.}, language={ger}, library={UB [Signatur: S 40,58]}, }