@conference{UBHD-1477359, title={Buchmarkt-Forschung}, subtitle={5. Internationale Tagung Wien, 1.-2. 4. 1971; Bericht u. Vortraege}, publisher={Dt. Buechereiverband}, address={Berlin}, year={1971}, pages={49 S.}, language={ger}, number={ARRAY(0x55b42cb1e680)}, series={Bibliotheksdienst}, library={UB [Signatur: 79 R 412]}, }