%0 Journal Article %A Taizo Kanenobu %T A Note on 2-fold Branched Covering Spaces of S3. %J Mathematische Annalen %D 1981 %P 449-452 %V 256 %I mathdoc %U http://geodesic.mathdoc.fr/item/MAN_1981__256_163525/ %F MAN_1981__256_163525