United Nations. Department of Economic and Social Affairs.Population Division.  <br/><br/>
Replacement migration: is it a solution to declining and ageing populations? 

 - New York   United Nations  2001 
 - 152p.; 28cm. 
 - Department of Economic and Social Affairs series; no.206 .
<br/><br/><label>ISBN: </label>92 1 151362 6 
<br/><br/><label>Dewey Class. No.: </label>DB301.32  / UNI