%0 Journal Article %A M.B. Bridson %T Combins of Semidrect Products and 3-Manifold Groups. %J Geometric and functional analysis %D 1993 %P 263-278 %V 3 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/GFA_1993__3_6_58125/ %F GFA_1993__3_6_58125