00744nam0-22002531i-450-990001252410403321000125241FED01000125241(Aleph)000125241FED0100012524120000920d1962----km-y0itay50------baengRecent Developments in General Relativityby Infeld L.LondonPergamon Press1962Infeld L. in connection with his 60th birth dayInfeld,Leopold<1898-1968>1049ITUNINARICAUNIMARCBK99000125241040332129-I-4a4856MA1MA1Recent Developments in General Relativity380724UNINAING01