United Nations,  . <br/><br/>
Labour Supply and Migration in Europe: Demographic dimension 1950-1975 and prospects /  

 - 1st ed /  
 -  United Nations ,   1988 
 - p332 :  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Economics
<br/><br/><label>Dewey Class. No.: </label>X:951:(y5)  / M1;1