@book{UBHD-1997136, author={Steinen, Helmut von den}, title={Das moderne Buch}, year={1912}, pages={72 S.}, language={ger}, school={Heidelberg, Univ., Diss., 1912}, library={UB [Signatur: Z 9368,4] ; UB [Signatur: Diss Heid 1912/13,32::1-6]}, }