000 00302nam a2200109Ia 4500
008 211215s9999 xx 000 0 und d
040 _cJayakar Knowledge Resource Centre
100 _aAsthana, B. N.
245 0 _aElements of statistics
260 _bChaitanya Publi. House
_aAllahabad
_c1958
942 _c1
999 _c46703
_d46703