Torgerson, Warren S. <br/><br/>
Theory and methods of scaling / 
Warren S. Torgerson. 
 - New York:   John Wiley & Sons,   [1958].  
 - xi, 460 p. :  ill. ;  24 cm. 
<br/><br/>Includes bibliography and index. 
<br/><br/><label>ISBN: </label>0471879452 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Psychometrics
<br/><br/><label>Dewey Class. No.: </label>152.83