000 00288nam a2200121 a 4500
082 _a519.5
_bGUP/S
100 _aGupta S.P
245 _aStatistical methods /
_cS.P.Gupta
260 _c1985
_bS . CHAND& CO. LTD
_aNew Delhi :
300 _a276p.:
_bpb.
650 _aStatistics
942 _cBK
999 _c19660
_d19660