Conover, W. J. <br/><br/>
Practical nonparametric statistics / 
W. J. Conover. 
 - 2a ed. 
 - New York :  J. Wiley,  1980. 
 - 493 p. 
 - Wiley series in probability and mathematical statistics .
<br/><br/><label>ISBN: </label>0471028673 
<br/><br/><label>Encabezamiento--Tema: </label><br/>Estadística