Universities--National Bureau Committee for Economic Research <br/><br/>
Demographic and economic change in developed countries, :   a conference of the Universities-National Bureau Committee for Economic Research/ 
Universities--National Bureau Committee for Economic Research. 
 - Princeton:   Princeton University Press,   1960 
 - Special conference series (National Bureau of Economic Research), 11 .
<br/><br/><label>Subjects--Topical Terms: </label><br/> Developed countries -- Population. Developed countries -- Economic conditions -- 20th century. Population.
<br/><br/><label>Dewey Class. No.: </label>301.32  / UNI