COSMOGRAIL: the COSmological MOnitoring of GRAvItational Lenses - II. SDSS J0924+0219: the redshift of the lensing galaxy, the quasar spectral variability and the Einstein rings
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A&A, 451 3 (2006) 747-757
Published online: 04 May 2006
DOI: 10.1051/0004-6361:20054423