@article{GDZPPN002450313,
title = {On the Efficiency of Systematic Sampling in Ratio and Product Estimation},
journal = {Metrika},
volume = {12},
year = {1967},
pages = {199-205},
url = {http://dml.mathdoc.fr/item/GDZPPN002450313}
}
Singh, M.P. On the Efficiency of Systematic Sampling in Ratio and Product Estimation. Metrika, Tome 12 (1967) pp. 199-205. http://gdmltest.u-ga.fr/item/GDZPPN002450313/