%0 Journal Article %A Robert Gold %A James R. Brink %T Class fields towers of imaginary quadratic fields. %J Manuscripta mathematica %D 1986 %P 425-450 %V 57 %I mathdoc %U http://geodesic.mathdoc.fr/item/MM2_1986__57_155204/ %F MM2_1986__57_155204