000 00335nam a2200145Ia 4500
008 210113s9999 xx 000 0 und d
020 _a9788121938532
082 _a519.5 AST-E
100 _aB. N. Asthana
245 _aElements of statistics
250 _a2nd
260 _bS Chand
_aNew Delhi
_c2011
300 _a350
942 _cBK
999 _c54887
_d54887