| Reference | {Commodity:: INTERFAX MINING REPORT, (JAN. 22-29, 1993).}{Commodity:: INTERFAX, MINING REPORT, P. 10 (MAY 21-28, 1993).}{Deposit:: COMMODITIES RESEARCH UNIT LIMITED, LONDON, THE COPPER,}{Deposit:: LEAD, AND ZINC INDUSTRIES OF THE FORMER USSR, VOL. 2,}{Deposit:: PP. 251-53 (1992).} |