@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/