TY  - BOOK
ED  - United Nations.
TI  - Small-scale mining in the developing countries
U1  - 338.64 UNI 
PY  - 1972///
CY  - New York
PB  - United Nations
KW  - Mineral industries
KW  - Developing countries
N1  - "United Nations publication. Sales no.: E.72.II.A.4."; Bibliography: p. 158-166
ER  -