Methodologies for assessing the impact of deep sea-bed minerals on the world economy / 
Department of International Economic and Social Affairs. 
 - New York :  United Nations,  1986. 
 - ix, 153 p. :  ill. 
<br/><br/><label>LCCN: </label>10250115     
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mineral industries.<br/>Mineral resources in submerged lands--Economic aspects.<br/>Marine mineral resources--Economic aspects.