TY  - BOOK
ED  - United Nations Educational, Scientific and Cultural Organization.UNESCO
TI  - Genesis of precambrian iron and manganese deposits: proceedings of the Kiev Symposium 20-25 August 1970 = Genese des formations precambriennes de fer et de manganese : actes du colloque de Kiev 20-25 Aout 1970 / 
SN  - 923001107X
U1  - 551.715 
PY  - 1973///.
CY  - Paris: 
PB  - Unesco, 
KW  - Iron
KW  - Manganese ores
N1  - Resumes en francais; Includes bibliographical references (p. 20-21, 34, 39, 47-48, 56-57, 67-68, 76, 82, 98, 113, 124, 150, 178-179, 185, 207-208, 216, 227, 240-242, 246-247, 268-269, 280, 288, 298, 304-305, 321-322, 333-334, 358-359, 375, 380)
ER  -