%0 Journal Article
%A Ralf L. Cohen
%T The Geometry of ...2S3 and  Braid Orientations.
%J Inventiones mathematicae
%D 1979
%P 53-68
%V 54
%I mathdoc
%U http://geodesic.mathdoc.fr/item/IM_1979__54_142672/
%F IM_1979__54_142672