@periodical{UBHD-1084162, organization={Smithsonian Institution}, title={Smithsonian contributions to astrophysics}, publisher={Smithsonian Institution}, address={Washington, DC}, year={1956-1974}, language={eng}, issn={0081-0231}, library={UB [Signatur: ZSN 1823 B] ; UB [Signatur: L 1999-20 Folio]}, }