Demographic trends, 1950-1990  [Texte imprimé] / 
Organisation for economic cooperation and development 
 - Paris:  OECD,  1979 
 - 144 p. ;  24 cm 
<br/><br/>Notes bibliogr. 
<br/><br/><label>ISBN: </label>92-64-12021-1 
<br/><br/><label>Dewey Class. No.: </label>304.609045