000 00302nam a2200121Ia 4500
008 210901s9999 xx 000 0 eng d
082 _a310 ELH
100 _aElhance, D. N.
245 0 _aPractical problems in statistics
260 _aAllahabad
_bKitab Mahal
650 _aStatistics
942 _2ddc
_cBK
999 _c20563
_d20563