Enger, Eldon D.  <br/><br/>
Environmental science :  the study of interrelationships / 
Eldon D. Enger  
 - 3rd ed. 
 - Dubuque, Iowa :  W.C. Brown,  c1992 
 - xiv, 514 p.:  ill. (some col.) ;  26 cm. 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>ISBN: </label>069709880X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ecology.<br/>Environmental sciences.
<br/><br/><label>LC Class. No.: </label>GE105  / .E541992