TY  - BOOK
AU  - "United Nations, Economic and Social Affairs (Deptt of-)"
ED  - "United Nations, Economic and Social Affairs (Deptt of-)"
TI  - Concept of a stable population
T2  - "United Nations, Population studies.39"
U1  - "Y:5.1-1.N6, K8/UN" 
PY  - 1968///
CY  - New
PB  - York UN      
ER  -