@book{UBHD-1039963, author={Nussberger, Ulrich}, title={Die Mechanik der Pressekonzentration}, subtitle={mit 22 Fig.}, publisher={de Gruyter}, address={Berlin}, year={1971}, pages={141 S.}, language={ger}, keywords={Pressekonzentration}, library={WS [Signatur: WS/QR 700 N975]}, }