Science news viii 

 - Great Britain:   Penguin Books,   1948 
 - 158p.  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Science 
<br/><br/><label>Subjects--Index Terms: </label>Demography  
<br/><br/><label>Universal Decimal Class. No.: </label>5(058)  / H8