Williams,Lawrence <br/><br/>
Last frontiers for mankind :  oceans,\ 
Lawrence,Williams.  
 - NewYork,Marshall Cavendish:  1990 
 - ,45 p. :  ill.,  30 cm. 
<br/><br/> Includes index. 
<br/><br/>Includes bibliographical index 
<br/><br/><label>ISBN: </label>185435172 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Oceans