TY  - BOOK
AU  - United Nations
AU  - OCEAN ECONOMICS AND TECHNOLOGY BRANCH
TI  - Analysis of Exploration and Mining Tehnology for Managanese Nodules
U1  - H172 
PY  - 1984///
CY  - LONDON
PB  - GRAHAM & TROTMAN LIMITED
KW  - MINING, MANAGANESE
ER  -