000 00255nam a2200097Ia 4500
008 231013s9999 xx 000 0 und d
090 _a519.2
100 0 _aPurna Chandra Biswal
245 0 0 _aProbability & Statistics
260 3 _aNew Delhi
_bPrentice Hall
_c2007
999 _c15243
_d15243