00663nam a22001577a 4500003000800000005001700008008004100025040002100066082001500087110007600102245016500178260004000343300003400383504004000417650004800457BD-DhUL20190320143435.0190320s1986    nyua|||| |||| 00| 0 eng d  aBD-DhULcBD-DhUL  a338.2bUNM2 aUnited Nations. Department of International Economic and Social Affairs0 aMethodologies for assessing the impact of deep sea-bed minerals on the world economy / cUnited Nations. Department of International Economic and Social Affairs  aNew York : bUnited Nations, c1986  aix, 153 p. : bill. ; c28 cm  aIncludes bibliographical references 0aMarine mineral resources xEconomic aspects