Keyfitz Nathan <br/><br/>
Population    Facts and methods of demography 
Keyfitz Nathan; Flieger Wilhelm 
 - San  Francisco W H Freeman         1971 
 - x,613p  cm. 
<br/><br/><label>Standard No.: </label>141643 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Dewey Class. No.: </label>Y:5, L1