@article{1177698891,
author = {Singh, M. P.},
title = {The Relative Efficiency of Some Two-Phase Sampling Schemes},
journal = {Ann. Math. Statist.},
volume = {38},
number = {6},
year = {1967},
pages = { 937-940},
language = {en},
url = {http://dml.mathdoc.fr/item/1177698891}
}
Singh, M. P. The Relative Efficiency of Some Two-Phase Sampling Schemes. Ann. Math. Statist., Tome 38 (1967) no. 6, pp. 937-940. http://gdmltest.u-ga.fr/item/1177698891/