000 00329cam a22001217a 4500
008 180718b1971 xxu||||| |||| 00| 0 eng d
082 _aI5511 L266
100 _aLangley, Russell
245 _aPractical statistics
_cby Russell Langley
260 _aNewton Abbot
_bDavid and Charles
_c1971
300 _a399p.
650 _aStatistics
999 _c347297
_d347297