TY  - BOOK
TI  - Population bulletin of the united nations
U1  - 304.62 
PY  - 1978///
CY  - New York
PB  - United Nations
KW  - Population
N1  - No. 9-1977
No. 7-1963
No. 11- 1978
No. 15-1983
No. 9-1977
No 4-1954
No 8-1976
No 7-1963
No 8-1976
No 25- 1988
No 18-1985
No 10-1977

ER  -