BARNES, R S K. <br/><br/>
An Introduction To Marine Ecology. 

 - 3rd edi. 
 - Oxford  Blackwell Publishing.  1999 
 - vii, 286p. 
<br/><br/><label>ISBN: </label>0 86542 834 4 
<br/><br/><label>Dewey Class. No.: </label>577.7