| References: |
- Deposit:: METALLGESELLSCHAFT AG, DEVELOPMENT TRENDS OF THE
- Deposit:: NON-FERROUS METALS INDUSTRY IN EASTERN EUROPE,
- Deposit:: DECEMBER 1991.
- Deposit:: COMMODITIES RESEARCH UNIT LIMITED, THE BASE METAL
- Deposit:: INDUSTRIES OF EASTERN EUROPE, LONDON, 1991.
- Deposit:: BOMSEL AND VON HIRSCHHAUSEN, THE MINING AND
- Deposit:: METALLURGICAL INDUSTRIES IN EASTERN EUROPE, CERNA, VOL. II,
- Deposit:: JULY 1991.
- Geology:: HURLBUT, CORNELIUS S., DAN* MANUAL OF MINERALOGY,
- Geology:: EIGTEENTH EDITION, 1971.
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