Clark, William A. V. <br/><br/>
Human migration / 
W.A.V. Clark. 
 - Beverly Hills ;  London :  Sage,  c1986 
 - Scientific geography series ;  v.7 .
<br/><br/>Bibliography, p92-95 
<br/><br/><label>ISBN: </label>0803927398 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Emigration and immigration