000 00324nam a2200133Ia 4500
008 170912s9999 xx 000 0 und d
082 _a310 GUP/E
100 _aGUPTA S P
245 0 _aELEMENTARY STATISTICAL METHODS
250 _a13rd Ed. 13-REV
260 _bSULTAN CHAND AND SONS
_c1999
300 _a714
942 _cTB
999 _c31915
_d31915