References: |
- Commodity:: COMMODITIES RESEARCH UNIT, LTD., THE BASE METAL INDUSTRY IN ALBANIA: AN EMERGING OPPORTUNITY, P. 60, 68 (MAY 1992).
- Commodity:: C. KIPPENBERGER, REPORT OF AN OFFICIAL VISIT TO ALBANIA TO GATHER INFORMATION ON THE SITUATION IN THE MINERAL RESOURCES SECTOR, JULY 28, 1988 TO AUGUST 11, 1988, FEDERAL INSTITUTE FOR GEOSCIENCES AND NATURAL RESOURCES (BGR) HANNOVER, 53 PP..
- Commodity:: MINING JOURNAL RESEARCH SERVICES IN CO-OPERATION WITH THE ALBANIAN MINISTRY OF INDUSTRY, MINES, AND ENERGY, MINING IN ALBANIA: AN EMERGING OPPORTUNITY, P. 60, 68 (MAY 1992).
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