Retherford, Robert D. <br/><br/>
How intelligence affects fertility 
Robert D. Retherford, William H. Sewell 
 - Honolulu  East-West Population Institute  1989 
 - p. 169-185 ; 24 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Intellect<br/>Fertility, Human<br/>Intelligence levels