| Reference | {Deposit:: SHABAD, T., BASIC INDUSTRIAL RESOURCES OF THE USSR. COLUMBIA}{Deposit:: UNIV.PRESS, NEW YORK, 1969, P. 99}{Deposit:: SOVIET GEOGRAPHY. VOL. 10, 1969, P. 627}{Deposit:: SOVIET GEOGRAPHY. VOL. 15, 1974, P. 244}{Deposit:: SOVIET GEOGRAPHY. VOL. 16, 1974, P. 330}{Deposit:: SOVIET GEOGRAPHY. VOL. 16, 1975, P. 548}{Deposit:: MINING ANNUAL REVIEW. 1974, P. 439}{Deposit:: METALS SOURCEBOOK. MARCH 3, 1975, P. 4}{Deposit:: IRON AND STEEL WORKS OF THE USSR. METAL BULLETIN BOOKS LTD.}{Deposit:: 1992, P. 5.} |