Clewes D <br/><br/>
Secret of the sea 

 - London  Heinemann           1973 
 - 164p.  cm. 
<br/><br/><label>Standard No.: </label>32745 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>oceanography
<br/><br/><label>Dewey Class. No.: </label>U255x, L3