| Reference | {Deposit:: SUTULOV, A. MINERAL RESOURCES AND THE ECONOMY OF THE USSR.}{Deposit:: MCGRAW-HILL PUBLICATION, NEW YORK, 1973, P. 133-146.}{Deposit:: COMMODITIES RESEARCH UNIT LIMITED, LONDON, THE COPPER,}{Deposit:: LEAD, AND ZINC INDUSTRIES OF THE FORMER USSR, VOL. 2,}{Deposit:: PP. 49-50 (1992).} |