Kondrat, W <br/><br/>
[Changes in the demographic composition of Poland's population].  [electronic resource] 

 -  Wiadomosci statystyczne (Warsaw, Poland : 1956)  1977 
 - 9-11 p.  digital 
<br/><br/> Publication Type: English Abstract; Journal Article 
<br/><br/><label>ISSN: </label>0043-518X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Demography<br/>Developed Countries<br/>Europe<br/>Europe, Eastern<br/>Poland<br/>Population<br/>Population Characteristics