Long - range world population projects    Based on the 1998 revision .    

 - New York  U . N         2000 
 - ix , 92p  cm. 
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Dewey Class. No.: </label>Y : 5 . 1N45 . P0, P0/UN