Williams , Lawrence  <br/><br/>
Last frontiers for mankind oceans :  

 - Marshall :   London ;  1989. 
 - 45 p; 24cm .  01 
 - 2024-09-04 
<br/><br/><label>ISBN: </label>1854351729 
<br/><br/><label>Nat. Bib. No.: </label>0010425 
<br/><br/><label>Nat. Bib. Agency Control No.: </label>WIL 
<br/><br/><label>Universal Decimal Class. No.: </label>530