%0 Journal Article %A Lueck, Wolfgang %T K– and L–theory of the semi-direct product of the discrete 3–dimensional Heisenberg group by ℤ∕4 %J Geometry & topology %D 2005 %P 1639-1676 %V 9 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.2140/gt.2005.9.1639/ %R 10.2140/gt.2005.9.1639 %F GT_2005_9_3_a10