Gulliksen, Harold <br/><br/>
Theory of mental tests. 

 - New York  Wiley  1950. 
 - xix, 486 p., diagrs. 
 - Wiley publications in psychology. .
<br/><br/>Bibliography : p. 397-420. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mental tests.