%0 Journal Article %A Louder, Larsen %A McReynolds, D B %T Graphs of subgroups of free groups %J Algebraic and Geometric Topology %D 2009 %P 327-335 %V 9 %N 1 %U http://geodesic.mathdoc.fr/articles/10.2140/agt.2009.9.327/ %R 10.2140/agt.2009.9.327 %F 10_2140_agt_2009_9_327