Manganese nodules  dimensions and perspectives 
prepared by the United Nations Ocean Economics and Technology Office. 
 - Dordrecht  D. Reidel Publishing Company  1979. 
 - ix, 194 p. :  ill ;  25 cm. 
 - Natural resources forum library  v. 2 .
<br/><br/>Includes bibliographical references and indexes 
<br/><br/><label>ISBN: </label>9027705003  hard cover 9027709025  pbk 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Manganese nodules--Congresses.