TY  - BOOK
AU  - UNITED NATIONS, ECONOMIC AND SOCIAL AFFAIRS (Department of-)
ED  - UNITED NATIONS, ECONOMIC AND SOCIAL AFFAIRS (Department of-)
TI  - Customs areas of the world
T2  - Statistical papers series M; 30/Rev.1
U1  - V1N45,93:3.N70, L/UN 
PY  - 1970///
CY  -  New Delhi 
PB  - UN         
ER  -