00663nam0-22002411i-450-990001148770403321000114877FED01000114877(Aleph)000114877FED0100011487720000920d1975----km-y0itay50------baengGeneral Theory of Relativityby Dirac P.A. M.New York [etc.]John Wiley1975Dirac,Paul Adrien Maurice46336ITUNINARICAUNIMARCBK99000114877040332129-L-3318447MA1MA1General theory of relativity187293UNINAING01