TY  - BOOK
AU  - United Nations,Ocean Economics and Technology Office
TI  - Manganese nodules : Dimensions and perspectives / 
SN  - 9027709025
U1  - 333.8 UNI  
PY  - 1979///.
CY  - Dordrecht : 
PB  - D. Reidel publishing company, 
KW  - Managanes nodules
N1  - Includes index
ER  -