%0 Journal Article %A Laurent Bartholdi %A Markus Neuhauser %A Wolfgang Woess %T Horocyclic products of trees %J Journal of the European Mathematical Society %D 2008 %P 771-816 %V 10 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4171/jems/130/ %R 10.4171/jems/130 %F JEMS_2008_10_3_a7