Demographic problems / 
edited by Waclaw Sobanski 
 - Warszawa :  Wydawnictwo Zachodnic,  1959 
 - 98 p. :  maps ;  21 cm. 
 - Studies and monographs ;  4 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Demography
<br/><br/><label>Dewey Class. No.: </label>312.09438