On the Axioms of Samples Formation and Their Bearing on the Construction of Linear Estimators in Sampling Theory for Finite Universe. J.C. Koop — 1963 Metrika
On the Axioms of Samples Formation and Their Bearing on the Construction of Linear Estimators in Sampling Theory for Finite Universe. J.C. Koop — 1963 Metrika
On the Derivation of Expected Value and Variance of Ratios without the Use of Infinite Series Expansions. J.C. Koop — 1972 Metrika
Notes for a Unified Theory of Estimation for Sample Surveys Taking into Account Response Errors. J.C. KOOP — 1974 Metrika