TY  - BOOK
TI  - Trends and characteristics of international migration since 1950
SN  - GDB626
U1  - 325.09045 
PY  - 1979///
CY  - New York
PB  - United Nations
KW  - Emigration and immigration
N1  - "United Nations publication. Sales no. E.78.XIII.5."
ER  -