TY - BOOK ED - Symposium on the Genesis of Precambrian Iron Manganese Deposits (1970 : Kiev) ED - United Nations Educational, Scientific and Cultural Organisation ED - International Association of Geochemistry and Cosmochemistry ED - Academiia nauk USSR, Kiev TI - Genesis of precambrian iron and manganese deposits: proceedings of the Kiev symposium 20-25 August 1970 SN - 9230011088 PY - 1973/// CY - Paris PB - Unesco KW - Iron ores KW - Congresses KW - Manganese ores KW - Geology, Stratigraphic KW - Precambrian N1 - Includes bibliographical references ER -