01304nam2-2200409li-450 99000021873020331620170419120201.03-540-55797-00021873USA010021873(ALEPH)000021873USA01002187320019920d1992-------y0itay0103----baengGWGravitational lensesproceedings, Hamburg, Germany 9-13September 1991R. Kayser (ed.)Berlin [etc.]Springer-Verlagcopyr. 1992XVII, 396 p.ill.25 cmLecture notes in physics4060010003151052001Lecture notes in physics406astrofisicacongressi1991congressihamburg1991gravita'- congressi199152301Kayser,RainerSistema bibliotecario di Ateneo dell' Università di SalernoRICA990000218730203316530 LNP (406)14594/cbs53000223873BKSCI1992021520001110USA01171420020403USA011630PATRY9020040406USA011616RSIAV79020090622USA011028Gravitational lenses1478062UNISA