%0 Journal Article
%A A. Sahai
%A S.K. Ray
%T An Efficient Estimator Using Auxiliary Information.
%J Metrika
%D 1980
%P 271-276
%V 27
%I mathdoc
%U http://geodesic.mathdoc.fr/item/MET_1980__27_186222/
%F MET_1980__27_186222