Dugan, James <br/><br/>
Man explores the sea 

 - Harmondsworth  Penguin Books  1960 
 - 416 
 - Pelican Books A 463 .
<br/><br/> With bibliography, illustration 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Earth sciences<br/>Underwater exploration
<br/><br/><label>Dewey Class. No.: </label>551.6  / D878m