000 00267nam a2200109Ia 4500
008 170101s1990 xx 000 0 und d
082 _a519 CHA
100 _aChaudhari, S.B
245 0 _aElementary statistics
260 _aKolkata
_bSaraddha
_c1990
942 _2ddc
_cRS
999 _c385081
_d385081