Sprent, Peter <br/><br/>
Applied nonparametric statistical methods/4th ed. 

 - Boca Raton  Chapman& Hall/ CRC press  2007 
 - 530p. 
<br/><br/><label>ISBN: </label>1-58488-701 
<br/><br/><label>Subjects--Index Terms: </label>Nonparametric statistics 
<br/><br/><label>Dewey Class. No.: </label>519.234  / SPR