000 00299pam a2200121a 44500
008 160422s9999 xx 000 0 und d
082 _a510.5 RAY
100 _aRay, V.K.
245 _aElementary statistics.
260 _aNew Delhi
_b Shree Publising
_c1996
300 _a90p.
650 _aMathematics
999 _c81211
_d81211