Scientific American <br/><br/>
Human population . 

 - San Francisco    Franciso Freeman           1974 
 - 147p  cm. 
<br/><br/> Bibliography : P143-144 
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Dewey Class. No.: </label>Y:5.1.N7, L4