TY  - BOOK
AU  - United Nations
TI  - Recent advances in mining and processing of low-grade submarginal mineral deposits
SN  - 0080210511
U1  - 622 
PY  - 1976///
CY  - New York
PB  - Pergamon Press
KW  - Metallurgy
KW  -  Congresses
KW  - Mining engineering
KW  - Ore deposits
N1  - Centre for Natural Resources, Energy, and Transport (United Nations)
ER  -