00877cam0-22003371i-450-99000109805040332120050704130340.0000109805FED01000109805(Aleph)000109805FED0100010980520001205d1961----km-y0itay50------baengUSScience in spaceEdited by Lloyd V. Berkner, Hugh OdishawNew YorkMcGraw-Hill1961AstronomiaAstrofisicaCosmologia520523Berkner,Lloyd Viel44672Odishaw,Hugh12264ITUNINARICAUNIMARCBK99000109805040332119-014.00317081FI119-014.0022031FI1FI1Science in space335324UNINA