TY  - BOOK
AU  - "United Nations, Economics Commission for Latin America and the Caribbean"
ED  - "United Nations, Economics Commission for Latin America and the Caribbean"
TI  - Development of the mining
U1  - "X9(HZ).791.N8, M9/UN" 
PY  - 1989///
CY  - Chile
PB  - United Nations      
KW  - Minings
ER  -