@periodical{UBHD-1089644, organization={Specola vaticana}, title={Ricerche astronomiche}, publisher={Spec.}, address={Città del Vaticano}, year={1939-1980}, keywords={Astronomie}, library={UB [Signatur: ZSN 2497 B] ; UB [Signatur: L 1999-10] ; UB ; AR ; LS}, }