Freire, R <br/><br/>
[Analysis of some emigrational cycles of Portuguese population emigration].  [electronic resource] 

 -  Analise Social  1977 
 - 179-86 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0003-2573 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Demography<br/>Developed Countries<br/>Emigration and Immigration<br/>Europe<br/>France<br/>Population<br/>Population Dynamics<br/>Portugal