Brown, William,  1881- <br/><br/>
The essentials of mental measurement / 
William Brown and Godfrey H. Thomson 
 - 3rd ed. 
 - Cambridge :  The University Press,  1925 
 - x, 224 p. :  ill., ;  24 cm. 
<br/><br/>Includes bibliographical references and index 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Psychophysiology
<br/><br/><label>Dewey Class. No.: </label>152.8