Harper, W.M <br/><br/>
Statistics 

 - 4th ed. 
 - London,  Pitman Publihsing,  1982, 
 - xii, 387p.  23cm. 
<br/><br/><label>ISBN: </label>0712119884 
<br/><br/><label>Subjects--Personal Names: </label><br/>Statistics<br/>Correlation
<br/><br/><label>Dewey Class. No.: </label>519.2  / HAR