000 00311nam a2200121Ia 4500
008 190829s9999 xx 000 0 und d
082 _a519.5
_bGUP/EL
100 _aGUPTA, S.P.
245 0 _aELEMENTS OF STATISTICS
250 _a2nd Ed.
260 _bSultan Chand and Sons, New Delhi
_aNew Delhi
_c1983
942 _cBK
999 _c576
_d576