000 00394nam a2200157Ia 4500
008 170101s1973 xx 000 0 und d
082 _aT 519.535 S16U
100 _aSATISH Kumar
245 0 _aUnbiased product type estimator
250 _aCOBH
260 _aLudhiana
_bP.A.U
_c1973
300 _a38L
650 _aSAMPLING (STATISTICS)
653 _aSAMPLING (STATISTICS)
942 _2ddc
_cT
999 _c19423
_d19423