@article{MET_1981__28_175806,
     author = {H.S. Konijn},
     title = {Biases, {Variances} and {Covariances} of {Raking} {Ratio} {Estimators} for {Marginal} and {Cell} {Totals} and {Averages} of {Observed} {Characteristics.}},
     journal = {Metrika},
     pages = {109--122},
     publisher = {mathdoc},
     volume = {28},
     year = {1981},
     zbl = {0461.62012},
     url = {http://geodesic.mathdoc.fr/item/MET_1981__28_175806/}
}