01239cam a22003014a 4500991003475769707536180312s1998 it a b 000 0 eng d8870883027b14339018-39ule_instBibl. Dip.le Aggr. Matematica e Fisica - Sez. Fisicaeng523.1/1222LC QB857.5.G752.9.512Straumann, Norbert40415Topics on gravitational lensing /Norbert Straumann, Philippe Jetzer, Jean KaplanNaples :Bibliopolis,1998xii, 116 p. :ill. ;23 cmNapoli series on physics and astrophysics ;v. 1Includes bibliographical referencesGravitational lensesJetzer, Philippeauthorhttp://id.loc.gov/vocabulary/relators/aut62981Kaplan, Jeanauthorhttp://id.loc.gov/vocabulary/relators/aut62982.b1433901812-03-1812-03-18991003475769707536LE006 52.9.51 STR12006000179386le006gE15.00-l- 00000.i1583874212-03-18Topics on gravitational lensing1748560UNISALENTOle00612-03-18ma engit 00