Hibbs, Albert R. <br/><br/>
Environmental studies  : ecology, environment and the biosphere 
Albert R. Hibbs 
 - Illinois:  Laidlaw,  1974. 
 - 96p. 
<br/><br/> PB 
<br/><br/><br/>Eng 
<br/><br/><label>ISBN: </label>0844555959 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ecology
<br/><br/><label>Dewey Class. No.: </label>574.5  / HIE