Cunningham, William P <br/><br/>
Environmental seicnce: A global concern 

 - 3rd ed 
 - Boston  Wm.C.Brown Publishers  1995 
 - 613 p. 
<br/><br/><label>ISBN: </label>0697158942 
<br/><br/><label>Dewey Class. No.: </label>577.4 C84E