TY  - BOOK
ED  - Naciones Unidas. Departamento de Asuntos Económicos y Sociales
TI  - Instability in Export Markets of Under-developed Countries : : In Relation to their Ability to Obtain Foreign Exchange from Exports of Primary Commodities 1901 to 1950
PY  - 1952///
CY  - New York, 
ER  -