TY  - BOOK
AU  - Pietrucha,Jerzy
TI  - The population of Western and Northern Poland
U1  - 304.6 
PY  - 1970///
CY  - Warsaw
PB  - Interpress
KW  - Migration, Internal
KW  - Poland
KW  - Western and Northern Territories (Poland)
KW  - Population
N1  - Includes bibliographical references
ER  -