%0 Journal Article
%A J. Levine
%T Knot Cobordism Groups in Codimension Two.
%J Commentarii mathematici Helvetici
%D 1969
%P 229-244
%V 44
%I mathdoc
%U http://geodesic.mathdoc.fr/item/CMH_1969__44_139394/
%F CMH_1969__44_139394