TY  - BOOK
AU  - Neilson, James M.
ED  - Association of Geoscientists for International Development
TI  - Strategies for Small Scale Mining and Mineral Industries 
T2  - Association of Geoscientists for International Development: 
SN  - 974-8202-04-6
U1  - 622 20
PY  - 1982///
CY  - Tailandia: 
PB  - Association of Geoscientists for International Development: 
ER  -