@article{MET_1983__30_175913,
     author = {D. Adhvaryu and P.C. Gupta},
     title = {On {Some} {Alternative} {Sampling} {Strategies} {Using} {Auxiliary} {Information.}},
     journal = {Metrika},
     pages = {217--226},
     publisher = {mathdoc},
     volume = {30},
     year = {1983},
     zbl = {0533.62010},
     url = {http://geodesic.mathdoc.fr/item/MET_1983__30_175913/}
}