000 00312 a2200109 4500
008 181117b xxu||||| |||| 00| 0 eng d
100 _aM N Murthy
245 _aSampling theory and methods ./
_cM N Murthy
260 _aCalcutta
_bCalcutta Statistical Publishing Society
_c1967
300 _a684p.
942 _2ddc
_cBK
999 _c7380
_d7380