Cunningham, William P. <br/><br/>
Principles of environmental science :  inquiry and applications / 
William P. Cunningham, Mary Ann Cunningham. 
 - 2nd ed. 
 - Dubuque, IA :  McGraw-Hill,  c2004. 
 - xvii, 424p.  ill.&lt;some col&gt;  28 cm. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>0072509317 (hard copy : alk. paper) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environmental sciences.
<br/><br/><label>Index Terms--Curriculum Objective: </label><br/>Principles of Ecology ---BIO150
<br/><br/><label>LC Class. No.: </label>GE105  / .C865 2004 
<br/><br/><label>Dewey Class. No.: </label>363.7