000 00329nam a2200133Ia 4500
008 190829s9999 xx 000 0 und d
082 _a519.54
_bGUP/S
100 _aGUPTA, C.B.
100 _aRATNA V.
245 0 _aSTATISTICAL CALCULATION
250 _a2nd Ed.
260 _bRam Prasad and Sons, Agra
_aAgra
_c1986
942 _cBK
999 _c11623
_d11623