Siegel, Sidney <br/><br/>
Nonparametric statistics for the behavioral sciences 
Sidney Siegel. 
 - 2nd. ed. 
 - New York  McGraw-Hill Book Co.  1988. 
 - 399 p.  ills. 
<br/><br/>Includes bibliographies and indexes. 
<br/><br/><label>ISBN: </label>0070573573 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Experimental design.<br/>Social science research