TY  - BOOK
AU  - Wilson,Dean A.
ED  - United States.
TI  - The environmental impact of deep sea mining, progress report
U1  - 622.295 
PY  - 1973///
CY  - Washington
PB  - United States Government Printing Office
KW  - Ocean mining
KW  - Mining machinery
KW  - Automatic control
ER  -