00926nam0-22003371i-450-9900015009104033213-540-44355000150091FED01000150091(Aleph)000150091FED0100015009120030224d2002----km-y0itay50------baengDEa---a---001yyGravitational lensing: an astrophysical toolF. Courbin, D. Minniti (eds.)BerlinSpringerc2002x, 191 p.ill.24 cmLecture notes in physics608AstronomiaAstrofisicaCosmologiaCourbin,F.Minniti,D.ITUNINARICAUNIMARCBK99000150091040332119-40622140FI1FI1Gravitational lensing: an astrophysical tool377152UNINA