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Publications (2)

astro-ph.CO2010

First case of strong gravitational lensing by a QSO : SDSS J0013+1523 at z = 0.120

F. Courbin, M. Tewes, S. G. Djorgovski +4

astro-ph.CO2011

Three QSOs acting as strong gravitational lenses

F. Courbin, C. Faure, S. G. Djorgovski +8