00831nam0-22002891i-450-990000987580403321000098758FED01000098758(Aleph)000098758FED0100009875820000920d1960----km-y0itay50------baengRelativityThe Special and the General TheoryA popular exposition by Albert Einsteinauthorised transltion by Robert W. LawsonLondonMethuen1960RelativitàGravità530.11Einstein,Albert<1879-1955>690Lawson,Robert W.ITUNINARICAUNIMARCBK99000098758040332123-002.0071973FI1FI1Relativity353677UNINAING01