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Sampling errors and portfolio efficient analysis
Kroll, Yoram, (1980)
Stichprobentheorie
Stenger, Horst, (1971)
Stichprobenverfahren : ein Leitfaden zur Anwendung statistischer Schätzverfahren
Schwarz, Heinrich, (1975)
Some comments on biased estimation in linear models
Kolehmainen, Osmo, (1980)
Bayesian considerations of the orthogonalizing ridge estimator
Kolehmainen, Osmo, (1981)
Bayesian models in estimating the total of a finite population : towards a general theory