000 00262nam a2200109Ia 4500
008 190719s9999 xx 000 0 und d
100 _aJ E Freund/ R E Walpde
245 0 _aMathematical statistics
260 _aNew Delhi
_bPHI
_c1987
650 _aMath
942 _cBK
999 _c7240
_d7240