000 007810a00a22003490004500
015 _a909
016 _a31HAR
020 _a0 7121 1925 6
041 _a0
080 _a31
_x1
100 _aHarper, W.M.
245 _aStatistics
250 _a2
260 _aMacdonald & Evans Ltd
_bLondon
260 _c1971
300 _axiv,330p
306 _aZ charts
306 _aLorenz curves
306 _aFreequency distributions
306 _aCorrelation
306 _aSampling theory
306 _aIndex numbers
306 _aTime series
490 _aThe M & E Handbook
650 _aStatistics
852 _aD2-2-4
999 _c2543
_d2543