@book{UBHD-1095483, author={Ostendorf, Friedrich}, title={Einf{\"u}hrung}, edition={2., ver{\"a}nd. und verm. Aufl.}, publisher={Ernst}, address={Berlin}, year={1914}, pages={270 S.}, language={ger}, library={UB [Signatur: L 2669-15::1 (2)]}, }