00860nam0-22003011i-450-990001044150403321981-02-4852-0000104415FED01000104415(Aleph)000104415FED0100010441520020204d2002----km-y0itay50------baengUSGravitation lensing and microlensingSilvia Mollerach, Esteban RouletNew Jersey [etc.]World Scientificc2002xi, 191 p.ill.23 cmRelativitàGravitàMollerach,Silvia49789Roulet,Esteban49790ITUNINARICAUNIMARCBK99000104415040332123-281D.S.F. 7585FI1FI1Gravitation lensing and microlensing338351UNINA