Obscured star formation at z=0.84 with HiZELS star: the relationship between star formation rate and H alpha or ultraviolet dust extinction - Garn, T; Sobral, D; Best, P; Geach, J; Smail, I; Cirasuolo, M; Dalton, G; Dunlop, J; McLure, R; Farrah, D (Monthly Notices of the Royal Astronomical Society, 2010)