%0 Journal Article
%A M.P. Singh
%T On the Efficiency of Systematic Sampling in Ratio and Product Estimation
%J Metrika
%D 1967
%P 199-205
%V 11
%I mathdoc
%U http://geodesic.mathdoc.fr/item/MET_1967__11_175333/
%F MET_1967__11_175333