000 00287nam a2200109Ia 4500
008 170101s1989 xx 000 0 und d
082 _a311 DAS
100 _aDas, M.N
245 0 _aStatistical mathods and concepts
260 _aNew Delhi
_bWiler eastern limited
_c1989
942 _2ddc
_cRS
999 _c384831
_d384831