%0 Journal Article %A Stefan Papadima %A Martin Markl %T Moduli spaces for fundamental groups and Link invariants derived from the lower central series. %J Manuscripta mathematica %D 1993 %P 225-242 %V 81 %N 3-4 %I mathdoc %U http://geodesic.mathdoc.fr/item/MM2_1993__81_3-4_155898/ %F MM2_1993__81_3-4_155898