| Reference | {Deposit:: STRISHKOV, V. V. SOVIET UNION. MINING ANNUAL REVIEW. MIN-}{Deposit:: ING MAGAZINE, JUNE 1979, 585 P.}{Deposit:: BRITISH SULPHUR CORP. LTD, WORLD SURVEY OF SULPHUR}{Deposit:: RESOURCES, THIRD EDITION, 1985, PP. 136-137.}{Deposit:: SHABAD, T., BASIC INDUSTRIAL RESOURCES OF THE USSR,}{Deposit:: COLUMBIA UNIVERSITY PRESS, NEW YORK, 1969, PP. 75,127,134.} |