TY  - BOOK
AU  - United Nations
ED  - United Nations
TI  - Problems of long- term economic projections: With s   
T2  - (Its, Development programming techniques series.3)
U1  - X:75.4.N6, K3 
PY  - 1963///
CY  - New York
PB  - United Nations U S A     
KW  - Economics
ER  -