%0 Journal Article %A Ursula Hamenstädt %T Isometry groups of proper CAT(0)-spaces of rank one %J Groups, geometry, and dynamics %D 2012 %P 579-618 %V 6 %N 3 %U http://geodesic.mathdoc.fr/articles/10.4171/ggd/166/ %R 10.4171/ggd/166 %F 10_4171_ggd_166