TY  - BOOK
AU  - UNITED NATION RESEARCH INSTITUTE FOR SOCIAL DEVELOPMENT.
ED  - UNITED NATION RESEARCH INSTITUTE FOR SOCIAL DEVELOPMENT.
TI  - Levels of living and economic growth: Comparative study of six countries,1950-65.   
U1  - X:16-77.1-1.N6, K9/UN 
PY  - 1969///
CY  - New York
PB  - United Nation        
ER  -