000 00456 a2200169 4500
245 1 _aOn some estimation problems in sampling using auxiliary information.
300 _a93p.
650 _aSampling
650 _aVariants
650 _aPopulations
650 _aStastistical data
502 _cIARI, Division of Agricultural statistics, New Delhi
_bPh.D.
_d1972
502 _gSingh, D.
100 1 _aGupta, P.C.
942 _2udc
_cT
901 _aT2229
999 _c137729
_d137729