%0 Journal Article %A Kellerhals, Ruth %T Quaternions and Some Global Properties of Hyperbolic 5-Manifolds %J Canadian journal of mathematics %D 2003 %P 1080-1099 %V 55 %N 5 %U http://geodesic.mathdoc.fr/articles/10.4153/CJM-2003-042-4/ %R 10.4153/CJM-2003-042-4 %F 10_4153_CJM_2003_042_4