Shepley A V <br/><br/>
Basic approaches to ecology 

 - Oxford  Pergamon Press          1969 
 - vii,56p.  cm. 
<br/><br/><label>Standard No.: </label>57874 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ecology
<br/><br/><label>Dewey Class. No.: </label>G:5, K91