Grings, William W.  1918- <br/><br/>
Laboratory instrumentation in psychology / 
William W. Grings 
 - Palo Alto, Calif. :  National Press,  1954. 
 - 282 p. :  ill. ;  23 cm. 
<br/><br/>Includes index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Psychological apparatus.
<br/><br/><label>Dewey Class. No.: </label>150.722  / GRL 1954