01212nam0-22003131i-450-99000105194040332120070109161402.0000105194FED01000105194(Aleph)000105194FED0100010519420001205d1971----km-y0itay50------baengGeneral relativity and cosmologyproceedings of the International School of Physics "Enrico Fermi", Course 47., Varenna on Lake Como, Villa Monastero, 30th June - 12th July 1969edited by R.K. Sachs, director of the courseNew York [etc.]Academic PressMilanoPeriodici Scientifici1971XII, 387 p.ill.25 cmIn testa al front.: Italian Physical Society. - Front. anche in italiano.Scuole di fisica530.143Sachs,R. K.Scuola internazionale di fisica Enrico Fermi12861Scuola internazionale di fisica Enrico Fermi<47. ;1969 ;Varenna>ITUNINARICAUNIMARCBK99000105194040332122B-015.0377833FI1FI1General relativity and cosmology340764UNINA