%0 Journal Article %A C. Bär %T Metrics with Harmonic Spinors. %J Geometric and functional analysis %D 1996 %P 899-942 %V 6 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/GFA_1996__6_1_58251/ %F GFA_1996__6_1_58251