The economics of deep - sea mining / 
edited by Juergen B. Donges 
 - Berlin :  Springer-Verlag,  1985 
 - 378 p. :  ill. ;  25 cm. 
<br/><br/><label>ISBN: </label>3540151443 
<br/><br/><label>LCCN: </label>85-2750 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ocean mining--Economic aspects