Não informado. (2001). Annual report on the mineral resources of the URSS. Geological Committee.
Chicago Style (17th ed.) CitationNão informado. Annual Report on the Mineral Resources of the URSS. Leningrad, Rússia: Geological Committee, 2001.
MLA (8th ed.) CitationNão informado. Annual Report on the Mineral Resources of the URSS. Geological Committee, 2001.
Warning: These citations may not always be 100% accurate.