000 00293nam a2200121Ia 4500
008 221117b |||||||| |||| 00| 0 eng d
040 _aBGL
_cBGL
082 _a311 S55S
100 _aGupta, S.P.
245 0 _aStatistical Methods
260 _aNew Delhi
_bSultan Chand &sons
_c1987
942 _cGB
999 _c17986
_d17986