%0 Journal Article %A Adam Harris %T A removable singularities theorem for families for ruled surfaces. %J Mathematische Zeitschrift %D 1996 %P 479-494 %V 222 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/MZ_1996__222_3_174896/ %F MZ_1996__222_3_174896