000 00280nam a2200121Ia 4500
008 220201s1973 xx 000 0 eng d
082 _a310
_bGUP
100 _aGupta,S.P.
245 0 _aElementary Statistical Methods
260 _bunknown (no)
_c1973
300 _a108
942 _2ddc
999 _c1163
_d1163