%0 Journal Article %A H.S. Konijn %T Biases, Variances and Covariances of Raking Ratio Estimators for Marginal and Cell Totals and Averages of Observed Characteristics. %J Metrika %D 1981 %P 109-122 %V 28 %I mathdoc %U http://geodesic.mathdoc.fr/item/MET_1981__28_175806/ %F MET_1981__28_175806