Cunningham, William P. <br/><br/>
Principles of environmental science : inquiry and applications 
by William P. Cunningham and Mary Ann Cunningham 
 - 3rd ed. 
 - Boston  McGraw-Hill  c2006 
 - xviii,428p.;  26cm. 
<br/><br/> library has 4th ed and 6th ed. also 
<br/><br/><label>ISBN: </label>13:9780072823394 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environmental science --Textbooks
<br/><br/><label>Dewey Class. No.: </label>333.7  / CUN