%0 Journal Article %A M.S. Raghunathan %T Torsion in Cocompact Lattices in Coverings of Spin (2,n). %J Mathematische Annalen %D 1984 %P 403-420 %V 266 %I mathdoc %U http://geodesic.mathdoc.fr/item/MAN_1984__266_163865/ %F MAN_1984__266_163865