Keyfitz Nathan <br/><br/>
Applied mathematical demography 
Keyfitz Nathan 
 - New York     John Wiley and Sons     1977 
 - xxiv,388p  cm. 
<br/><br/><label>Standard No.: </label>53980 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Dewey Class. No.: </label>Y:5:(B), L7