%0 Journal Article %A PHILIPP LÜCKE %A SAHARON SHELAH %T FREE GROUPS AND AUTOMORPHISM GROUPS OF INFINITE STRUCTURES %J Forum of Mathematics, Sigma %D 2014 %V 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.1017/fms.2014.9/ %R 10.1017/fms.2014.9 %G en %F 10_1017_fms_2014_9