Proceedings 

 - London  Her Majest's Stationery Office      1959 
 - National physical laboratory; 10 .
<br/><br/><label>Standard No.: </label>80,093 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>PSYCHOLOGY
<br/><br/><label>Dewey Class. No.: </label>S:2:5p3,N59, J9.1-.2  (PD)