000 00306nam a2200121Ia 4500
008 220201s1975 xx 000 0 eng d
082 _a310
_bGUP
100 _aGUPTA (S.P)
245 0 _aStatistical Methods .
260 _c1975
300 _a1.662+2.176+3.276+Reference +40.Reference 3.216/
942 _2ddc
_02
999 _c2833
_d2833