Conover, W J  . <br/><br/>
Practical nonparametric statistics /  
W.J.Conover. 
 - 2nd ed /   . 
 - New York :   John Wiley & Sons ,   1971. 
 - 491p. :   ills ;   22cm .  
<br/><br/>Includes index 
<br/><br/><label>ISBN: </label>0471084573  USD 9.50 
<br/><br/><label>Subjects--Index Terms: </label>STATISTICS 
<br/><br/><label>Dewey Class. No.: </label>519.5  / CON/P