00598cam a2200205u  45000010008000000030008000080050017000160080041000330100017000740400028000910500019001190820015001381000047001532450038002002500012002382600039002503000033002896500041003226500029003636044416BD-DhUL20140908102600.0821217s1953    dcua          000 0 eng    a   54000318   aDLCcCarPdDLCdBD-DhUL00aHA31b.E4 1953  a519.1bELF1 aElderton, William Palin,cSir,d1877-1962.00aFrequency curves and correlation.  a4th ed.  aWashington :bHarren Press,c1953.  axi, 272 p. :bill. ;c23 cm. 0aFrequency curves. [from old catalog] 0aCorrelation (Statistics)