TY  - BOOK
AU  - Horn,D.R.
AU  - Horn,B.M.
AU  - Delach,M.N.
TI  - Ocean manganese nodules metal values and mining sites
U1  - 551/H76 
PY  - 1973///
CY  - Washington
PB  - Office for the International Decade of Ocean Exploration National Science Foundation
KW  - MANGANESO
KW  - OCEANOGRAFÍA
N1  - Texto anillado.  "NSF - GX 3361641".
ER  -