%0 Journal Article %A Lescop, Christine %T On Homotopy Invariants of Combings of Three-manifolds %J Canadian journal of mathematics %D 2015 %P 152-183 %V 67 %N 1 %U http://geodesic.mathdoc.fr/articles/10.4153/CJM-2014-031-4/ %R 10.4153/CJM-2014-031-4 %F 10_4153_CJM_2014_031_4