Cremona, Julian <br/><br/>
Principles of seashore ecology  [slide] 

 - England :  Focal Point Audio Visual Ltd.,  1980 
 - 40 slides :  col., ;  5 X 5 cm. +  1 note 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Seashore ecology<br/>Intertidal ecology