00823nam0-22003011i-450-9900009667904033210-08-020567-4000096679FED01000096679(Aleph)000096679FED0100009667920000920d1976----km-y0itay50------baengGravitation and Relativityby M.G. BowlerOxford [etc.]Pergamon Press1976International Series in Natural Philosophy86RelativitàGravità530.11Bowler,Michael George45218ITUNINARICAUNIMARCBK99000096679040332123-08910262FI1FI1Gravitation and Relativity342777UNINAING01