| References: |
- Commodity:: COMMODITIES RESEARCH UNIT, LTD., THE BASE METAL INDUSTRY
- Commodity:: OF ALBANIA, PP. A17-A18 (1991).
- Commodity:: C. KIPPENBERGER, FEDERAL INSTITUTE FOR GEOSCIENCES AND
- Commodity:: NATURAL RESOURCES, REPORT OF AN OFFICIAL VISIT TO ALBANIA
- Commodity:: TO GATHER INFORMATION ON THE SITUATION IN THE MINERAL
- Commodity:: RESOURCES SECTOR, JULY 28, 1988 TO AUGUST 11, 1988,
- Commodity:: HANNOVER, P. 53.
- Commodity:: MINING JOURNAL RESEARCH SERVICES IN CO-OPERATION WITH
- Commodity:: THE ALBANIAN MINISTRY OF INDUSTRY, MINES AND ENERGY, MINING
- Commodity:: IN ALBANIA: AN EMERGING OPPORTUNITY, P. 79 (MAY 1992).
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