%0 Journal Article %A S. Gabler %A R. Schweigkoffer %T The Existence of Sampling Designs with Preassigned Inclusion Probabilities. %J Metrika %D 1990 %P 87-96 %V 37 %N 3-4 %I mathdoc %U http://geodesic.mathdoc.fr/item/MET_1990__37_3-4_176275/ %F MET_1990__37_3-4_176275