Conover, W.J.  . <br/><br/>
Practical nonparametric statistics /  
by W.J. Conover. 
 - 3rd ed /  
 - New York :   John Wiley & Sons, Inc. ,   1999 
 - 577p ;  
<br/><br/><label>ISBN: </label>81-265-0775-6 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics
<br/><br/><label>Dewey Class. No.: </label>B28  / N9;1