TY  - GEN
ED  - United Nations Fund for Population Activities.
TI  - Population and development modellings : recommendations and proceedings of the UNFPA/United Nations Technical Working Group Meeting
T2  - (Its: Policy development studies ; no. 6)
PY  - 1980///
CY  - New York : 
PB  - United Nations Fund for Population Activities
KW  - Population
KW  - Development
KW  - Models, theoretical
ER  -