Flynn, James R. <br/><br/>
Are we getting smarter? : rising IQ in the twenty-first century 

 - Cambridge  Cambridge University Press  2012 
 - xiii, 310p. ; 23 cm. 
<br/><br/><label>ISBN: </label>9781107609174  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Psychology
<br/><br/><label>Dewey Class. No.: </label>153.9309  / FLY