01032nam0-22003731i-450-9900014917904033213-540-66506-4000149179FED01000149179(Aleph)000149179FED0100014917920020228d1992----km-y0itay50------baengDEa---a---001yyGravitational LensesP. Schneider, J. Ehlers, E.E. FalcoBerlin [etc.]Springer1992XIII, 560 p.ill.24 cmAstronomy and Astrophysics LibraryWith 112 figures.AstronomiaAstrofisicaCosmologiaSchneider,Peter350808Ehlers,JurgenFalco,E.E.ITUNINARICAUNIMARCBK99000149179040332119-318.001D.S.F. 7283FI1S.19-008D.S.F. 7284FI1FI1Gravitational Lenses376078UNINA