@article{MET_1968__13_175370,
     author = {M.N. Murthy},
     title = {A {Note} on {Estimation} of {Variance} {Components} in a {Multi-Stage} {Sampling} {Design} {Based} on {Interpenetrating} {Sub-Samples}},
     journal = {Metrika},
     pages = {98--103},
     publisher = {mathdoc},
     volume = {13},
     year = {1968},
     zbl = {0162.22105},
     url = {http://geodesic.mathdoc.fr/item/MET_1968__13_175370/}
}