Turk, Amos et al. <br/><br/>
Environmental Science 

 - 2 
 - W. B. Saunders company  1978 
 - HB+597 
 - .
<br/><br/>  
<br/><br/><label>ISBN: </label>  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ecology-- Biodiversity-- Conservation-- Ecosystems-Study and teaching
<br/><br/><label>Dewey Class. No.: </label>577.07  TUR-E2