Demographic, economic and social interaction / 
edited by Ake E. A nderson, Inguar Holmberg. 
 - Cambridge, Mass. :  Ballinger Publications,  1977. 
 - xvip, 350 p. :  ill. ;  23 cm. 
<br/><br/>Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>0884100456 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Demography-- Mathematical models.<br/>Emigration and immigration-- Mathematical models.<br/>Social sciences-- Research.
<br/><br/><label>Dewey Class. No.: </label>301.32