PEARSON E S <br/><br/>
Biemetrica table for statisticaian. V 1 
PEARSON E S; HARTLEY H O 
 - 2 
 - Cambridge  University Press           1954 
 -  V1 .
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Dewey Class. No.: </label>Bd, J4,J4;J8-;3