| References: |
- Commodity:: COMMODITIES RESEARCH UNIT, LTD., THE BASE METALS INDUSTRY
- Commodity:: OF ALBANIA, LONDON, PP. A21-A22 (1991).
- Commodity:: C. KIPPENBERGER, REPORT OF AN OFFICIAL VISIT TO ALBANIA
- Commodity:: TO GATHER INFORMATION ON THE SITUATION IN THE MINERAL
- Commodity:: RESOURCES SECTOR, JULY 7, 1988 TO AUGUST 11, 1988, FEDERAL
- Commodity:: INSTITUTE FOR GEOSCIENCES AND NATURAL RESOURCES (BGR),
- 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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