%0 Journal Article %A J.C. KOOP %T Notes for a Unified Theory of Estimation for Sample Surveys Taking into Account Response Errors. %J Metrika %D 1974 %P 19-40 %V 21 %I mathdoc %U http://geodesic.mathdoc.fr/item/MET_1974__21_175618/ %F MET_1974__21_175618