TY  - BOOK
AU  -              
ED  - United Nations. Department of Social Affairs   
TI  - Problems of migration statistics                                                                                                                                                    
U1  - GP 301.32                        
PY  - 1949///
CY  - United Nation
PB  - United Nation, Department of Social Affairs
KW  - Migration, Internal
KW  - Populaiton - Statistics
UR  - https://unstats.un.org/unsd/demographic-social/Standards-and-Methods/files/Handbooks/international-migration/1950_POMS-E.pdf
ER  -