00981nam0-22003611i-450-9900013484704033210-387-97070-3000134847FED01000134847(Aleph)000134847FED0100013484720020228d1992----km-y0itay50------baengDEa---a---001yyGravitational LensesP. Schneider, J. Ehlers, E.E. FalcoBerlin [etc.]Springer-Verlag1992XIII, 560 p.ill.24 cmAstronomy and Astrophysics LibraryWith 112 figures.AstronomiaAstrofisicaCosmologiaSchneider,Peter350808Ehlers,JurgenFalco,E.E.ITUNINARICAUNIMARCBK99000134847040332119-318FI1FI1Gravitational Lenses376078UNINA