Demographic, economic, and social interaction 
edited by Ake E. Andersson, Ingvar Holmberg 
 - Cambridge, Mass.  Ballinger  1977 
 - xvi, 350 p. : ill. ; 23 cm. 
<br/><br/>Includes Index 
<br/><br/><label>ISBN: </label>0884100456 
<br/><br/><label>LCCN: </label>76-02042 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Demography--Mathematical models--Addresses, essays, lectures<br/>Emigration and immigration--Mathematical models--Addresses, essays, lectures<br/>Social science research--Addresses, essays, lectures