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Economic analysis and industrial management
Lesourne, Jacques, (1963)
Quantitative methods for administration
Bell, Colin E., (1977)
Aufsätze
Fels, Eberhard M., (1972)
On two methods of unbiased estimation with auxiliary variates
Williams, W. H., (1962)
The variance of an estimator with poststratified weighting
Sample selection and the choice of estimator in two-way stratified populations
Williams, W. H., (1964)