"Nebel, Bernard J." <br/><br/>
Environmental science 

 - 3rd ed. 
 - Englewood cliffs  Prentice Hall  1990 
 - 603: ill. 
<br/><br/><label>ISBN: </label>9780132822039 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ecology
<br/><br/><label>Dewey Class. No.: </label>574.5 NEB 3rd ed.