Discovery of a faint R-band drop-out: A strongly reddened lensed star forming galaxy at z = 1.68J. Richard, D. Schaerer, R. Pelló, J.-F. Le Borgne and J.-P. KneibA&A, 412 2 (2003) L57-L60DOI: https://doi.org/10.1051/0004-6361:20034608
