000 00287nam a2200121Ia 4500
008 221001s1976 xx 000 0 eng d
082 _a519.52 DES
100 _aDes Raj
245 0 _aSampling theory
260 _aNew Delhi
_bTata McGraw-Hill
_c1976
300 _a302p.
942 _2ddc
_cBK
999 _c27628
_d27628