Eysenck, H. J. <br/><br/>
Know your own I. Q. / 
H.J. Eysenck. 
 - London :  Penguin Books,  1969. 
 - 190 p. :  ill. ;  20 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Intelligence tests<br/>Intelligence levels<br/>Selfevaluation
<br/><br/><label>LC Class. No.: </label>BF431