000 00279nam a2200121Ia 4500
008 191031s9999 xx 000 0 und d
100 _aGayal and Sharma
245 0 _aMathematical statistics
260 _bKrishna Prakasham
260 _c1981
365 _b21.20
942 _cBK
999 _c207311
_d207311