Siegel Sidney <br/><br/>
Nonparametric Statistics for the Behavioral Sciences 
/ by Sidney Siegel 
 - New York  Mcgraw Hill Book Company  1988 
 - 399p. 
<br/><br/><label>ISBN: </label>0070573573 
<br/><br/><label>Dewey Class. No.: </label>519.5  / SIN/N