Clark, W. A. V. (Willaim A. V.) <br/><br/>
Human migration 
W. A. V. Clark 
 - Beverly Hills  Sage Publications  1986 
 - 96 p. : ill. ; 22 cm. 
<br/><br/><label>ISBN: </label>0803927398 
<br/><br/><label>LCCN: </label>85-62429 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Migration, Internal