%0 Journal Article %A Xosé Masa %T Duality and minimality in Riemannian foliations. %J Commentarii mathematici Helvetici %D 1992 %P 17-27 %V 67 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/CMH_1992__67_3_140255/ %F CMH_1992__67_3_140255