@article{MET_1998__47_2_176770,
     author = {S. Singh and A.H. Joarder},
     title = {Estimation of {Finite} {Population} {Variance} {Using} {Random} {Non-Response} in {Survey} {Sampling} .},
     journal = {Metrika},
     pages = {241--250},
     publisher = {mathdoc},
     volume = {47},
     number = {2},
     year = {1998},
     zbl = {1093.62511},
     url = {http://geodesic.mathdoc.fr/item/MET_1998__47_2_176770/}
}