00951nam0-22003371i-450-99000096034040332120050603113614.00-14055-156-5000096034FED01000096034(Aleph)000096034FED0100009603420001205d1979----km-y0itay50------baengUSa---a---001yy<<The >>cosmic frontiers of general relativitya Layman's guide to the new universeWilliam J. KaufmannNew York [etc. ]Penguin books1979x, 305 p.ill.24 cmPeregrin bookRelativitàGravitàKaufmann,William J.44817ITUNINARICAUNIMARCBK99000096034040332123-083FI1FI1DRCNCosmic frontiers of general relativity358277UNINA