%0 Journal Article %A L.C. Siebenmann %T A Total Whitehead Torsion Obstruction to Fibering over the Circle. %J Commentarii mathematici Helvetici %D 1970 %P 1-48 %V 45 %I mathdoc %U http://geodesic.mathdoc.fr/item/CMH_1970__45_139422/ %F CMH_1970__45_139422