COSMOGRAIL: the COSmological MOnitoring of GRAvItational Lenses - III. Redshift of the lensing galaxy in eight gravitationally lensed quasarsA. Eigenbrod, F. Courbin, G. Meylan, C. Vuissoz and P. MagainA&A, 451 3 (2006) 759-766DOI: https://doi.org/10.1051/0004-6361:20054454