Keyfitz, Nathan, 1913- <br/><br/>
World population 
an analysis of vital data by Nathan Keyfitz and Wilhelm Flieger 
 - Chicago, Ill.  University of Chicago Press  1968 
 - xi, 672 p. 29 cm. 
<br/><br/>Bibliography: p. 667-671. 
<br/><br/><label>LCCN: </label>68-014010 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Population--Statistics