@book{UBHD-1117699, author={Arnim, Achim von}, title={Festung Deutschland}, publisher={Siegismund}, address={Berlin}, year={1938}, pages={260 S.}, language={ger}, note={21 cm. - At head of title: Achim v. Arnim}, library={UB [Signatur: B 4439-252-15]}, }