Roa, Theodore. <br/><br/>
Essential concepts of Oceanography 
/ by Theodore Roa 
 - USA:   Callisto Reference,   2015. 
 - vii, 155p. 
<br/><br/><label>ISBN: </label>9781632393166 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Isotope<br/>Life science<br/>Nitrogen Cycle<br/>Spatiotemporal variation
<br/><br/><label>Dewey Class. No.: </label>551.46  / ROA/E