Sprent, P. <br/><br/>
Applied nonparametric statistical metheds 

 - 3rd  
 - Boca Raton  Chapman & Hall  2001 
 - xii, 461 
<br/><br/><label>ISBN: </label>1584881453 
<br/><br/><label>Universal Decimal Class. No.: </label>519.22  / S66