Economics of changing age distributions in Developed countries 
edited by Ronald D. Lee, W. Brian Arthur and Gerry Rodgers 
 - Oxford  Clarendon  1988 
 - 221p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Birth control
<br/><br/><label>Dewey Class. No.: </label>O97 L515