Nybakken, James Willard <br/><br/>
Marine biology :  an ecological approach / 
James W. Nybakken 
 - 3rd ed. 
 - New York :  HarperCollins Publishers,  1993 
 - 462 p. :  ill. ;  26 cm. 
<br/><br/><label>ISBN: </label>0065008227  RM145.68 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Marine biology<br/>Marine ecology