Keyfitz Nathan <br/><br/>
Population    Facts and methods of demography .    

 - San Francisco    Franciso Freeman           1971 
 - x,613p  cm. 
<br/><br/> Bibliography : P607-609 
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Dewey Class. No.: </label>Y:5, L1